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Plant Nutrient Additives


Dr Greenthumb
Dr Greenthumb
Dr Greenthumb

A garden needs nutrients to thrive - we all know this, but what science is teaching us is that no 1 fertilizer provides everything plants need to reach their optimum growth and production.

This is where nutrient additives (supplements) come in - they contain those quirky hormones, acids, enzymes and other unique tidbits that round out your garden's nutritional diets...

If you prefer to see a price list go here


  Advanced Nutrients pH UP and DOWN 

Advanced Nutrients pH balancing products are pure concentrates and have not been diluted. 

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  Algamin Kelp Meal 

Algamin Kelp Meal is a rich organic source of nitrogen and potassium. Algamin is fresh-cut Norwegian seaweed slowly, mechanically dried, cleaned, desalted and ground into dust-free meal. 

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  Ancient Amber 

Roots Organics Ancient Amber is specially extracted for low molecular weight from Leonardite, a rare form of lignite coal composed of ancient plant material. 

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  B`CuzZ Bio Stimulants 

The B'CuzZ Stimulator products are tailored to work sequentially with each other through the growing stages and maintains the biological balance while maximizing growth. With B`CuzZ, the professional grower can stimulate the plant from seed or cutting to mature plant with rapid and efficient fission, cell expansion, and cell differentiation (lots of produce!). B'cuzZ grown plants are excellent for cloning. 

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  B`CuzZ Blossom Builder Tabzz 

B'Cuzz Blossom Builder Tabzz are 100% sizzling flower multipliers that ensure an explosive flower development in the flower phase. 

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  B`CuzZ PK 13-14 

Atami manufactures B`Cuzz PK 13-14 Bloom Booster from food grade quality raw materials. This high quality flowering preparation with Phosphorous and Potassium will stimulate amazing floral development very rapidly. 

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  B-52 Fertilizer Booster 

Ever taken B Complex vitamins to ease stress and put yourself back on track? Plants have the same reaction to the B vitamin family! That's why Advanced Nutrients formulated B-52 Fertilizer Booster. 

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  Beastie Bloomz 

Fox Farm's Beastie Bloomz is a heavy-weight blossom builder that fortifies the inside of flower buds and increases the weight of blooms and fruit set. Comes in a dry formula that is water soluble. 

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  Bee One Aqua 

Bee One Aqua is rich in natural plant hormones, vitamins, enzymes, and amino acids, all essential for explosive growth. 

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  Big Bud Bloom Booster Liquid 

Big Bud Bloom Booster Liquid is made with the correct ratio of potassium, phosphorus, magnesium and sulphur, the superfoods that stoke the floral production system in your plants. 

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  Big Bud Bloom Booster Powder 

Big Bud Bloom Booster Powder contains all of the amino acids that are the essential foundation for plant metabolism and flower growth. It also has ascorbic acid to stimulate the metabolic processes in your plants. 

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  BioBizz Alg-A-Mic 

Alg-A-Mic, from BioBizz, is a high-grade organic seaweed concentrate extracted through cold-press. Alg-A-Mic can be used as a nutrient supplement or as a foliar spray. 

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  BioBizz BioHeaven 

BioBizz BioHeaven contains biological stimulants, such as amino-acids. Amino-acids are the basic building blocks for the proteins and enzymes, which are essential to the structure and the metabolism of your plants. 

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  BioBizz RootJuice 

RootJuice is a 100% vegetable root stimulator that creates explosive root growth in existing rooted plants through the stimulation of the natural microbiology surrounding the root system. 

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  BioBizz TopMax 

TopMax, from BioBizz, is a 100% organic bloom stimulant comprised of the pure essence of special flowers, sea kelp and leonardite. 

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  Biomins 

SaferGro Biomins are 100% organic chelated minerals for soil, hydroponics and foliar application. Biomins are bioavailable organic plant nutrients resulting from a unique chelation of mineral nutrients with a blend of Glycine and natural organic acids. This unique chelation process enables plants to better utilize nutrients. 

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  Blast-Off Fertilizer 

Contains high potency natural vitamins and hormones that act as cofactors or substrates for specific plant enzymes. 

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  Bloom Fuel 

100% organic flower triggering solution from Grotek! Bloom Fuel (previously known as Bud Fuel) represents an entirely new method of feeding aimed at manipulating your plants into their flowering stage. 

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  Bloombastic® 

The Bling Bling for your plants! Bloombastic® is for you serious growers! Bloombastic will elevate the performance of any brand of base nutrient to a master gardeners level. 

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  Blossom Blaster 

Blossom Blaster is a powerful blend of phosphorous and potassium fertilizers created for explosive flower development in your plants. 

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  Botanicare Cal-mag Plus 

Cal-Mag Plus is a beneficial nutrient supplement that corrects calcium, magnesium, iron and trace mineral deficiencies found in most soil fertilizers and some hydroponic nutrient liquid concentrated formulas. 

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  Bud Blood Flower Stimulator 

Advanced Nutrients' Bud Blood flower stimulator accelerates flowering and makes faster, larger harvests! 

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  Bud Candy 

Advanced Nutrients created Bud Candy by combining both Sweetleaf and Carbo Load into one powerful flavor and aroma enhancer that will give you even bigger yields. 

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  Bud Factor X 

Bud Factor X is a liquid hydroponics bud builder formula that is guaranteed to increase crop yields and essential oil production by stimulating plant defense mechanisms. 

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  Bud Ignitor 

Bud Ignitor lets you maximize the flowering sites per stem! Advanced Nutrients has developed Bud Ignitor to give you extreme results when triggering the flowering phase of your plants. 

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  Bush Master 

Bush Master stops vertical plant growth in it's tracks. Our customers have seen immediate results! 

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  CANNA Cannazym 

CANNA Cannazym stimulates the break down of dead root material through the use of 12 different kinds of enzymes. It also contains vitamins and desert plant extracts to help activate beneficial micro-organisms. 

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  CANNA PK 13/14 Flower Stimulator 

CANNA PK 13/14 was developed to stimulate the flowering phase of fast growing plants. This high grade mixture of phosphorus and potassium allows your plants to lavishly flower and fruit. 

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  Carbo Load 

To sustain optimum health, plants need to load up on carbohydrates during the production phase as their stored carbs are drained while producing flowers, fruits, nuts, herbs and vegetables. 

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  CarboMax supplement 

CarboMax is a ready-to-use fuel source for plants, consisting of a mixture of complex and simple carbohydrates that are available when an extra burst of energy is needed. 

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  Cha Ching 

Cha Ching improves the taste and aroma by concentrating the plant oils into the flower, fruit or vegetable. Use Cha Ching in your hydroponics systems or for plants potted in soil. Comes in a dry formula that is water soluble. 

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  Cutting Edge Solutions Mag Amped 

Are your plants suffering from short daylight hours or low light intensity? Mag Amped is your solution! 

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  Cutting Edge Solutions Plant Amp 

Developed by Cutting Edge Solutions, Plant Amp is pure calcium, chelated with organic acids to improve plant absorption. Use it in your reservoir or as a foliar spray. 

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  Cutting Edge Solutions Uncle John's Blend 

Uncle John’s Blend is used throughout your plant's growing cycle to supply potassium to plants, delivered through a matrix of sugars (carbohydrates). 

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  Dark Energy 

Dark Energy significantly shortens the time-to-harvest while increasing plant yields. Dark Energy helps plants absorb the benefits of fertilizers so you can lower the amount of fertilizer you are using. Many growers have reported seeing a difference within 24 hours! 

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  Diamond Black 

General Organics Diamond Black is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. 

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  Diamond Nectar 

Contains the highest quality, most effective fulvic acid available and is safe to mix with hydroponics solutions, soil, or foliar applied fertilizers. 

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  Drought and Frost Protection Plus 

Drought and Frost Protection Plus allows gardeners to provide natural, cellular level protection for plants under adverse conditions. 

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  Dutch Master ADD.27 Flower and Grow 

Gold Range ADD.27 is a mineral based nutrient additive with amino acids that will optimize the rate of cytoplasmic streaming (how a plant delivers nutrients to its cells). 

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  Dutch Master Silica 

Dutch Master Gold Range Silica is a silicon supplement that helps strengthen plant cell walls. Silicon improves the overall health of your plants so they can more easily resist insects, drought, disease, heat and other stress related conditions. 

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  Dyna-Gro Mag-Pro 

Dyna-Gro Mag-Pro is an award winning blossom booster that gives outstanding results when used on orchids, roses and other indoor or outdoor flowering plants. 

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  Dyna-Gro Pro-TeKt 

Dyna-Gro Pro-TeKt gives your plants higher levels of potassium and silicon to help build strong cell walls. 

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  Earth Ambrosia / Earth Nectar set 

Earth Ambrosia and Earth Nectar, from Soil Secrets, provide a unique blend of enzymes, bacteria, humus and mychorrize spores. This set of liquid inoculants gives your plants a nutrient-rich cocktail while bringing the soil back to life. The liquid state of EA and EN moves into the soil faster offering almost immediate results. 

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  Earth Juice Assist wetting agent 

Earth Juice Assist is a natural wetting agent and media conditioner. Use Assist to soften soils for better moisture penetration and to increase fertilizer availability. 

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  Earth Juice Catalyst Activator 

Earth Juice Catalyst is a 100% organic additive that conditions soils and hydroponic solutions for better nutrient availability. 

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  Earth Juice Escential Spray 

Earth Juice Escential Spray is a natural aromatic scent concentrate consisting of aromatic botanical extracts. 

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  Earth Juice Meta-K Potassium Fertilizer 

Earth Juice Meta-K is a 100% natural liquid potassium nutrient for maturing, fruiting, and flowering plants that require more potassium. 

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  Earth Juice Microblast Minerals 

Earth Juice Microblast is a proprietary liquid micronutrient formula to be used to prevent and correct micronutrient deficiencies. 

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  Ecklonia Kelp Plant Growth Stimulant 

Ecklonia Kelp Plant Growth Stimulant is a 100% organic nutrient supplement that is made from Ecklonia Maxima, an edible species of brown kelp seaweed. It is completely non-toxic to humans, animals, birds and insects. 

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  Equilibrium Natural Ca-Mg 

Humboldt Nutrients created Equilibrium Natural to give you an easy to use one-part calcium and magnesium additive in the correct ratios to produce strong healthy plants. 

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  Espoma Organic Traditions Bone Meal 

Espoma Organic Traditions Bone Meal is an all natural source of organic phosphorous and nitrogen. 

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  Espoma Organic Traditions Dried Blood 

Espoma Organic Traditions Dried Blood is a safe source of organic nitrogen. 

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  Espoma Organic Traditions Rock Phosphate 

Espoma Organic Traditions Rock Phosphate is a 100% natural source of phosphorus. Plants require this nutrient for healthy root development and for fruit and flower production. 

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  Final Phase Clearing Flush Solution 

Final Phase clearing flush solution removes excess hydroponic nutrients, heavy metals and pollutants from your plants' root zone. 

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  Floralicious Grow / Floralicious Bloom 

Floralicious Bloom and Floralicious Grow, from General Hydroponics, brings out your plant's full genetic potential by augmenting metabolic activity in the root zone. This potent organic nutrient additive is made from the best nature has to offer! Floralicious contains a perfect balance of vitamins, phytohormones, humic acids, polysaccharides, fructans, beta-glucans, L-amino acids, and polyflavonoids. 

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  Floralicious Plus 

Floralicious Plus contains the organic building blocks of life. It enhances metabolic growth and essential oil production, promotes flower development, stimulates fruit swelling and encourages beneficial microbial activity in the root zone. 

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  FloraNectar Sweetener 

Now in two flavors! Choose FruitnFusion or PineappleRush! General Hydroponics has formulated FloraNectar Sweetener to optimize the largest transference of sweetness and aroma into your fruits and flowers. It fulfills the additional energy requirements of your plants throughout all phases of growth, and during stressful times of transition. 

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  FossilFuel 

Europonic FossilFuel from Hydrodaynamics helps plants resist environmental stress, diseases and pests. Use as a nutrient solution or a foliar spray. 

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  FoxFarm Soluble Tri-Pak Nutrients 

The Fox Farm Soluble Tri-Pak includes everything to supercharge the flower potential in any garden! Proceeds from Fox Farm Soluble Tri-Pak sales goes to the Hydro for Hunger initiative that battles hunger around the world. 

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  General Organics BioBud® Bloom Booster 

General Organics BioBud is a powerful bloom stimulator that produces a larger number of flowering sites. 

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  General Organics BioMarine® 

Part of the General Organics (GO) line from General Hydroponics, BioMarine is a fish-based fertilizer that encourages and supports beneficial microbes to improve soil vitality. 

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  General Organics BioRoot 

BioRoot is a nutrient supplement that helps your plants develop stronger, larger root systems for improved overall plant health. 

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  General Organics BioWeed 

Part of the new General Organics (GO) line from General Hydroponics, Bio Weed takes advantage of cold processed seaweed to promote natural intense vegetative growth. 

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  General Organics CaMg+ 

CaMg+ is a plant supplement that provides a natural source of calcium and magnesium, elements that are critical during your plants' growth cycle. 

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  Ginormous Bloom Enhancer 

Humboldt Nutrients specifically formulated Ginormous Bloom Enhancer to help your favorite plants yield the largest fruits, higher brix levels and better aromas. 

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  Grandma Enggy's Extra Pure Humic Acid 

Grandma Enggy's Extra Pure Humic Acid is 100% organic magic! Rich in several minerals needed for optimum plant growth, this humic acid helps convert a variety of elements into easily absorbed forms for healthy crops. 

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  Grandma Enggy's Fulvic Acid 

100% organic! Grandma Enggy's Fulvic Acid helps your plants grow faster and produce higher quality harvests. Increases nutrient absorption, nutrient transport, and more cellular metabolism than any other Fulvic extract. Refined to clear golden color to create the purest Fulvic available. 

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  Gravity Flower Hardener 

Gravity Flower Hardener contains active amino acids that can increase the size and mass of your flowers, fruits and vegetables! Our customers say they see the difference in just 1 or 2 days. 

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  Great White Mycorrhizal 

Great White is simply the best mycorrhizal product of it's kind! 

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  GreenFuse Organic Plant Stimulators 

GreenFuse Plant Stimulators were formulated in Holland and are made from 100% pure plant oils and extracts. They work great for hydroponics, soilless and soil gardens. 

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  Green-Up Solution 

Green-up helps reduce yellowing in young plant clones while they develop new roots and Green-up is safe to use with all rooting compounds. 

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  Grotek Monster Bloom and Monster Grow 

Grotek Monster Grow and Bloom are the perfect blend for your indoor hydroponics garden. 

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  Grotek Pro-Silicate 

Grotek's Pro-Silicate™ is a nutritional silicate additive containing potassium and silicon. This combination of ingredients acts as a tranpirant to help increase your plants' resistance to heat and drought. (A must for cloning.) 

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  Heavy Bloom 

Designed to be used during the reproductive stage of your garden, Heavy Bloom™ nutrient supplement increases the size and weight of fruit and flowers! 

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  Hesi COCO Supplement 

Using Coco as your garden's growing medium? You'll want to add Hesi Coco during the entire plant's life for maximum results! 

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  Hesi HYDRO PK 13/14 

During the flowering stage of a plant's life, its metabolism is pushed into high gear producing large amounts of enzymes. It continues to grow larger increasing the need for nutrients to keep it healthy. That's where Hesi PK 13/14 comes in. 

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  Hesi Root Complex 

Like a shot from the doctor's office, Hesi Root Complex helps heal ailing plants. A mix of trace elements that include vitamins, amino acids, plant sugars and enzymes, Root Complex is ideal for combating the stress of repotting and clone cutting. 

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  Hesi SOIL Phosphorus Plus 

Combined with Bloom Complex, Hesi Phosphorus Plus insures maximum flowering results of plants potted in soil. 

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  Hesi Super Vit 

Hesi Super Vit is a concentrated mix of 15 vitamins and 10 amino acids that increase your plants metabolism and overall health. 

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  Hi-Brix Molasses 

Hi-Brix is a highly prized molasses that is a natural source of carbohydrates and plant nutrients. 

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  Hormex root stimulant 

Hormex root stimulator is a liquid vitamin and hormone concentrate that encourages new root growth. 

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  Humboldt Honey HYDRO Carbs 

Humboldt Hydro Honey Carbs is an excellent source of carbohydrates for all plants grown hydroponically. It breaks down into the smallest possible sugars when dissolved in water, creating an easily accessible food for beneficial fungus, bacteria, and plants. 

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  Humboldt Honey Organic ES 

Humboldt Honey Organic ES (Extra Strong) is an excellent source of carbohydrates for all plants. 

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  Humboldt Nutrients Big Up Powder 

Humboldt Nutrient's Big Up Powder provides the final boost of energy that plants need to finish the bloom cycle with impressive results. This premium amino chelated bloom booster has no unnecessary artificial colors or dyes. 

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  Humboldt Nutrients DueceDuece 

Organic DueceDuece, from Humboldt Nutrients, contains large amounts of potassium derived from Probiotic Potassium, and Sulfate Of Potash. 

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  Humboldt Nutrients FlavorFul 

Humboldt Nutrients' FlavorFul is 8% fulvic acid - much stronger than others in the market. The dark amber color confirms the high concentration! 

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  Humboldt Nutrients Sea Cal 

Humboldt Nutrients' Sea Cal is a powerful fertilizer additive designed for hydroponics gardening, with any growing medium. Safely use it on your vegetables, flowers, or herbs! 

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  Humboldt Nutrients Sea Mag 

Humboldt Nutrients’ Sea Mag is loaded with vital micro-nutrients, plant hormones and B-vitamins! Cytokynins and auxins are also provided by the sea plant extracts and organic acid complexes. 

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  Humboldt Nutrients Verde 

In Spanish, verde translates into green, and green is what you'll get when you use Humboldt Nutrients' Verde in your garden! This one-part organic growth catalyst can also be used as a foliar spray with either hydroponics or soil-based gardens. 

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  Humboldt Roots 

Made by Humboldt Nutrients, Humboldt Roots is a highly concentrated root stimulant that expands the root zone during the critical growth stage. 

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  Hum-Bolt Liquid Humic Concentrate 

For years Humic Acid has been largely absent from our soil, due to erosion and over-farming and has long been missing in our food chain. 

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  Hydroplex Bloom Maximizer 

Hydroplex Bloom Maximizer is a premium plant supplement used during the reproductive fruiting and flowering phase of a plants life cycle. Replacing Hydroplex Bloom Enhancer, this new balanced formula is effective for both hydroponics and soil. 

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  KoolBloom Liquid ripening formula 

Just like its dry counterpart, Liquid KoolBloom ripening formula is a highly concentrated additive that helps initiate ripening in annual flowers, perennial flowers and herbs. It also increases the size and weight of both fruits and flowers. 

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  KoolBloom Supplement 

KoolBloom Ripening Formula is a highly concentrated dry nutrient supplement that promotes lavish flowering and encourages ripening in annual flowers and herbs. 

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  Liquid Humus 

Liquid Humus is an excellent natural organic source of concentrated essential nutrients, vitamins and trace elements. 

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  Liquid Karma 

Liquid Karma functions as a growth engine because its high metabolic activity produces a large amount of energy, which is immediately transformed to growth. This Bio-catalyst plant stimulant contains a full complement of metabolically active organic compounds not found in regular plant foods or supplements. 

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  LXR Gold organic supplement 

LXR Gold is an organic liquid supplement that assists nutrient uptake and distribution within a plant. Works well in soil or hydroponics gardening. 

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  Maxicrop Liquid Fish 

Maxicrop Liquid Fish is made of fresh fish from the Atlantic Ocean and contains no chemical additives. Maxicrop Liquid Fish contains naturally occurring amino acids, as well as a huge complex of chelated minor elements (especially B vitamins). 

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  Maxicrop Liquified Seaweed 

Maxicrop Liquified Seaweed is made from pure seaweed extracts containing natural growth stimulants which initiate cell growth and cause vigorous growth of both root and stem. Maxicrop Liquified Seaweed organic plant fertilizer works well for both indoor and outdoor gardening. 

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  Maxicrop Liquified Seaweed Plus Iron 

Maxicrop Liquified Seaweed Plus Iron contains 2% iron. A unique combination of pure seaweed extract with readily sequestered iron in an easy-to-use liquid form. This high iron formulated product, when sprayed directly onto foliage, or applied as a root drench will prevent yellowing (chlorosis) of leaves, especially in acid-low (calcifuge) plants. 

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  Maxicrop Soluble Seaweed Powder 

Maxicrop Soluble Seaweed Powder stimulates beneficial soil microbe activity which helps improve your garden's natural resistance to stress. It also extends the root system to give your plants greater access to nutrients and water in the soil for improved long term health. 

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  Mayan MicroZyme 

Mayan MicroZyme, from Humboldt Nutrients, is a 100% organic and ecologically safe bacterial-enzymatic complex that decreases the risk of disease causing bacteria. 

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  Myco Madness Soluble 

Made by Humboldt Nutrients, 100% organic Myco Madness contains a biologically active package, 8 mycorrhizal species, 12 beneficial bacteria and 2 Trichoderma species well-suited to a variety of media, soil conditions, climates and plants. 

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  Myco Maximum Granular 

Myco Maximum granular is an organic biological innoculant that contains 8 species of growth-enhancing mycorrhizal fungi, 12 strains of beneficial bacteria, 2 Trichoderma species, plus other proprietary ingredients (humic acid, carbohydrates, amino acids). 

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  Neptunes Harvest Crab Shell 

Neptune's Harvest Crab Shell is an excellent organic source of nitrogen, phosphorous, calcium (23%), and magnesium (1.33%). The high calcium content and slow release nitrogen and phosphorous makes this a good fertilizer when planting bulbs in spring and fall. A safe, natural slow-release fertilizer, Crab Shell also helps with nematode and fungus problems. 

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  Neptunes Harvest Kelp Meal 

Neptune's Harvest Kelp Meal is Ascophyllum Nodosum, which is widely recognized as one of the finest marine plants available for agriculture today. Kelp Meal contains vitamins, minerals, carbohydrates enzymes, amino acids and growth hormones necessary for optimum plant growth. Since it is 100% organic, this fertilizer won't burn plants or roots, plus it is environmentally safe! 

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  Neptune's Harvest Seaweed 

Neptune's Harvest Seaweed fertilizer supplement is an organic storehouse of over 60 naturally occurring major and minor nutrients and amino acids. 

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  Nirvana Bloom Biostimulant 

Nirvana Bloom Biostimulant, from Advanced Nutrients, is 100% organic! Created specifically for hydroponics gardening, Nirvana provides bloom-swelling stimulants that increases flower aroma and grows larger, better tasting fruits or vegetables.  

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  Nitron A-35 soil conditioner 

Nitron Formula A-35 is an organic soil conditioner that enhances your fertilizers while restoring life to deficient soil. While improving soil texture, this 100% natural enzyme liquid makes more nutrients and trace elements available to your plants by breaking up clay or hardpan soils to help increase microbial action. 

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  Nitrozime Marine Algae Extract 

Nitrozime stimulates plant growth by increasing cell division which improves yield by decreasing plant stress. Nitrozime is also effective as a seed treatment. Cytokinins, the natural plant growth hormones which are necessary for plant growth, nutrient mobilization and distribution, germination, cell division, root development, flowering and seed formation are the core of Nitrozime formulation. 

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  Nutrilife H2O2 

Nutrilife H2O2 is a quick and easy way to oxygenate the nutrient solution in your reservoir. 

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  Open Sesame 

Fox Farm Open Sesame is a full spectrum blend of micronutrients specifically developed to trigger early flowering and ripening in fruits, buds, and flowers. Comes in a dry formula that is water soluble. 

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  Oregonism XL 

Roots Organics Oregonism XL is the water soluble version of Aurora Innovations' distinctive blend of endo/ecto-mycorrhizae, beneficial bacteria, and Trichoderma. 

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  Organa-Guano Liquid 

Organa-Guano, from Higrocorp, is effective for hydroponics, aeroponics and soil cultivation. This multi-use additive stimulates early flowering and maximizes the size and weight of both fruit and flowers. 

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  Organic B 

Dr Hornby's Organic B helps plants handle the stress of intense hydroponic gardening. This 100% organic nutrient supplement contains a wide range of B vitamins that strenghtens your crops by promoting faster nutrient absorption. 

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  Overdrive Flower Enhancer 

Advanced Nutrients Overdrive was developed with an extensive and complex array of phosphorus and potassium sources. Hormones and catalytic agents are included to help stimulate your plants' bloom productivity. 

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  PhosphoLoad 

Dutch Master PhosphoLoad halts the vertical growth of your plants to create a more bushy structure. 

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  Plant Success Mycorrhizae granular 

Mycorrhizal is a soil-dwelling fungus that lives in and around the roots of plants. The fungi and the plants form mutually beneficial associations in which the fungi receive carbohydrates from the plants and the plants receive nutrients and other benefits from the fungi. 

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  Plant Success Mycorrhizae tablets 

Mycorrhizae is a soil-dwelling fungus that lives in and around the roots of plants. The fungi and the plants form mutually beneficial associations in which the fungi receive carbohydrates from the plants and the plants receive nutrients and other benefits from the fungi. 

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  Plant Success Soluble Mycorrhizae 

Plant Success Soluble Mycorrhizae is a rich source of 13 strains of beneficial mycorrhizae fungi which are known to reduce transplant shock, fertilizer usage, and increase resistance to root disease. 

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  Plantacillin Biological Water Treatment 

Plantacillin contains a naturally occurring bacteria, Bacillus subtilis GB03, that encourages stronger, denser root mass and length. As we all know, the stronger the roots, the stronger the plant! 

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  ProZymE Biological Inoculant 

Made by California based Humboldt Nutrients, ProZymE is an all natural concentrated enzymatic formula containing more than 80 different enzymes. 

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  Pure Blend - Original Formula 

Botanicare's Pure Blend Original Formula is a hydro-organic compost solution blended with select ingredients from the land and sea. It reduces plant stress caused by severe environmental conditions, such as heat, frost and drought. 

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  Pure Flowers 

There is no other flowering supplement like Pure Flowers. It's got Phosphite Technology which Higrocorp invented. The unique molecular structure of a phosphite is easily absorbed through the roots and leaves ensuring the crop instantly uptakes potassium and phosphorus. 

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  Quality Cure 

Supernatural Quality Cure is a Dehydrant that safely removes water from your hydroponically grown plants. 

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  Ralph's Ultra Bloom 

Ralph's Ultra Bloom is designed for a plant's budding and flowering stages. Ultra Bloom helps trigger early budset followed by an explosive bloom cycle! 

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  Ralph's Ultra Root & Veg 

Ralph's Ultra Root & Veg Natural Growth Stimulant is designed for plants' rooting and vegetative stages. Natural plant hormones and vitamins are in perfect balance to produce explosive growth. 

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  Ralph's Utra Lush 

Ralph's Ultra Lush is an organic based additive that can be used during the entire plant life as a fertilizer additive or foliar spray. Ultra Lush improves flavor, aroma and color in your garden. 

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  Rare Earth Organic Clay and Humic Acid 

Rare Earth, from General Hydroponics, is a premium blend of dry organic minerals and humates that is derived from ancient seabed deposits of pyrophyllitic clay that are blended with fulvate ore. 

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  Revive Crop Repair Formula 

When your garden is ailing, get the hospital in a bottle! Revive Crop Repair Formula is loaded with safe forms of iron and other rejuvenating nutrients to save your crop. 

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  Rhino Skin 

Advanced Nutrients' Rhino Skin is derived from Potassium Silicate to help strengthen plant cell walls. The stronger the cell walls, the sturdier the plant. 

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  Rhizotonic Root Stimultor 

Use CANNA Rhizotonic to revitalize and energize the root systems on your plants. Full of vitamins, trace minerals and 60-plus microbiologicals, its a good choice for seed soaking, plant cuttings, transplants or poorly developed plants. 

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  Root 66 

Formulated to promote explosive root development, Technaflora's Root 66 improves your plants ability to successfully absorb water and nutrients. 

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  Roots Organics Extreme Serene 

This organic liquid kelp extract gives your garden a natural source of growth-promoting compounds and micro-nutrients. 

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  Roots Organics HP2 Liquid Bat Guano 

Roots Organics HP2 Bat Guano is an extracted source of natural phosphorous specifically designed to enhance flower quality. 

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  Roots Organics HPK Bloom Booster 

Developed by Aurora Innovations, Roots Organics HPK bloom booster is a specially extracted natural source of phosphorus and potassium to maximize yields and flavors. 

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  Rootstock Cloning Gel and Solution 

For amazing results, dip your plant cutting into Earth Juice Rootstock gel and put into a growing media soaked with Rootstock Solution. 

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  Sensi Cal Bloom™ 

Sensi Cal Bloom is a nutrient additive rich in calcium and magnesium. It was created by Advanced Nutrients for use during the blooming phase of your plants. 

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  Sensi Cal Grow™ 

Plants with calcium deficiencies suffer from slower growth, sickly roots and a geater risk for disease. Advanced Nutrients Sensi Cal Grow is a nutrient additive rich in calcium and magnesium that helps prevent these weaknesses. 

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  Silica Blast 

Botanicare Silica Blast Plant Bio-mass Yield Enhancer stengthens plant tissue so they can flourish in adverse environmental conditions such as heat, drought, and frost. 

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  Snow Storm Ultra 

Emerald Triangle, the maker of Humboldt County's Own nutrients, has separated Snow Storm from the original Purple Maxx product and supercharged it to create Snow Storm Ultra. 

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  SubCulture B Bacterial Root Inoculant 

General Hydroponics SubCulture B is a biological root inoculum that contains 52 constructive gardening microorganisms. These microbes are cultured to live in high salt content environments making them ideal for containized gardening. 

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  SubCulture M Mycorrhizal Root Inoculant 

General Hydroponics SubCulture M is a mycorhizae root inoculant which contains a wide variety of endo and ecto mycorrhizal fungi. 

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  Sunleaves Soil Sweetener 

Magnesium and Calcium are essential secondary nutrients needed for healthy plant growth. 

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  Super Charger 

Super Charger is a vitamin packed supplement for your plants. Each capsule contains a blend of vitamins, antioxidants, peptides and trace minerals. Super Charger will take your plants to a new level of growth and vitality. 

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  Supernatural Brand Ultimate B1 Thrive 

Supernatural Brand Ultimate B1 Thrive is a pure blend of vitamins, minerals, plant nutrients and natural growth hormones that work together to increase the overall health and size of your plant, resulting in maximum yield. 

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  Supernatural Superlicious 

Supernatural's Superlicious enables your plants to reach their maximum potential in terms of nutrition, flavor and fragrance. The end result is highly nutritious produce that is sweet and flavorful. 

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  SuperNova biostimulant 

SuperNova is more than just a seaweed extract! It is a unique blend of seaweed extract (derived from the sea plant Ascophyllum nodosum), specialized amino acids, carbohydrates, vitamin C and B vitamin complex. This enhanced seaweed bio-blend will improve the growth performance of any plant and can be used during any portion of the growing stage. 

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  SUPERthrive 

Add SUPERthrive with your fertilizer for amazing growth! Revitalize ailing plants and trees like magic! Have an over-fertilized problem? SUPERthrive can fix it. 

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  Sweet organic carbohydrate synthesizer 

Sweet™ organic carbohydrate synthesizer is scientifically formulated for the bio-synthesis of crucial compounds to maintain optimal metabolism. An ideal formula for vegetables, fruits and flowers. 

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  Technaflora MagiCal 

Fully compatible for use with any quality soluble fertilizer, MagiCal promotes vigorous and healthy plant growth for both soil and soiless gardens with a highly enriched formula of Magnesium, Calcium and Iron. 

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  Technaflora Sugar Daddy 

SugarDaddy is Technaflora's revolutionary new supplement designed to supply essential carbohydrates and all 20 amino acids in a form that plants can readily absorb and utilize. Using this nutrient additive you'll see stronger plant resistance to pests, diseases, frost and drought! 

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  Thrive Alive B-1 Red 

Thrive Alive Red is ideal for both hydroponic and soil applications facilitating vigorous and healthy root development for both cuttings and established root systems. Presoak rooting medium with Thrive Alive Red to reduce transplant shock. 

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  Trinity Catalyst 

Roots Organics Trinity Catalyst is a complex liquid blend of organic compounds specifically designed for maximum effect as a plant, root, and rhizoshpere catalyst. 

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  Trio Pack Flower Enhancers 

PlantLife Products (Plant Food with an Attitude) Trio Flower Enhancer Pack gives you a three-pack of plant nutrient supplements to grow the baddest blooms possible! 

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  Vegetative Growth Booster 

Vegetative Growth Booster is a specially formulated product for vegetative growth. Apply only once during the early growth stage of your plants. 

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  VitaMaxPlus 

Originally designed for use in laboratories and greenhouses, VitaMaxPlus is now available for hobby gardeners. Grotek's VitaMaxPlus is a plant anti-stress formula which includes, calcium, enzymes and amino acids. Created to encourage better root development, larger buds, blooms, fruits and flowers. 

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  VooDoo Juice 

Advanced Nutrients Voodoo Juice is a beneficial bacteria root booster that breaks down old root material into nutritional matter while enabling roots to repair themselves and create new tissue. 

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Misters and Measurers

Big Shot Measuring Glass 

When you need to measure larger amounts of nutrients, or other liquids, turn to Sunlight Supply's Big Shot Measuring Glass! 

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Compression Sprayer 

Great for misting water moisture, foliar feed spraying, or applying insecticides, fungicides and other soluable mixtures indoor or outdoors. 

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Giro's bottle mounted sprayer 

Made of high quality brass, Giro's bottle mounted sprayer is designed to screw onto most plastic soda pop or water bottles. 

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International Measure Mug 

The International Measure Mug is a rugged measuring glass that holds up to one pint. 

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Mini Angled Measuring Cup 

OXO has revolutionized measuring liquids with the GOOD GRIPS Angled Measuring Cups. This mini measuring cup is perfect for accurately measuring small amounts of nutrients with ease. 

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Mini Measure 

The Mini Measure is a fast, accurate way to measure small amounts of liquid nutrients or supplements. 

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Mondi Mist N’ Spray 

Ingenius design for a spray bottle! The Mondi Mist N’ Spray has a flexible gooseneck at the nozzle to give you unlimited aiming options. Bend it up, down, sideways or any other way... 

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Nutrient Syringe 

When you need miniscule amounts, the Nutrient Syringe gives you measurements for oz, cc and ml. 

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Precipitator 360° Sprayer 

The Precipitator 360° sprayer can spray up, down, left, right, over and under your garden with a simple twist of the angled nozzle. 

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Solo One-Hand Sprayer 

Solo's handheld sprayer is a one-hand pressure sprayer with a telescoping wand and a high-quality nozzle that is fully adjustable from direct jet to fine mist. 

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Sunleaves Measuring Glasses 

For best gardening results you need to be accurate with the measurement of plant nutrients. 

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Plant Nutrient and Fertilizer section:

Biological Inoculants  ·  Foliar Sprays  ·  Organic Fertilizers  ·  Non-Organic Nutrients  ·  Supplements
Brand Names  ·  Feeding Schedules  ·  Misters and Measurers
 

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Growco Indoor Garden Supply
1042 Michigan NE  ·  Grand Rapids, Michigan USA  49503-1908
phone: (616) 454-6900  ·  toll free: 877-939-6900
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