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Growing Media


Dr Greenthumb
Dr Greenthumb

Soil is not Nature's only option for growing plants!

Depending on the plants you grow, there are several options to choose from, including hydroponics (water), manmade materials, and some other natural materials. 

Use for indoor and outdoor gardening.

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  Ancient Forest Alaska Humus 
General Organics Ancient Forest Alaska Humus Soil Amendment contains a wide spectrum of organic compounds that help improve the biological life of your garden soil. 
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  Black Gold Natural & Organic Potting Soil 
Black Gold Natural & Organic is formally known as Black Gold All Organic potting soil. 
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  Black Gold Seedling Mix 
If you're a gardening enthusiast, start your seedlings and cuttings off right with Black Gold Seedling Mix. 
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  CANNA Coco Coir Substrate 
CANNA Coco substrate is 100% organic and consists of fine fibers with uniform structure. This loose coco grow media is free from viruses and soil diseases. 
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  Chunky Perlite 
This chunky perlite features extra-large particles, which maximize nutrient uptake and oxygenation at the root level. 
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  Cocogro Bale 
When hydrated with 3 gallons of water, the compressed Cocogro Bale expands to about 70 liters. In it's dry form, it measures 11 x 11 x 7 (about 5 kg). 
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  Cocogro Boss 
Cocogro Boss comes in its own growing container! It contains a coarse fiber mat at the bottom to allow drainage, yet keeps the coir fiber particles from exiting. Once hydrated, the compressed organic coir fiber expands to the height of the horticultural-grade poly bag. 
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  Cocogro Brick 
Botanicare Cocogro Bricks measures 8 x 4 x 2 and expand to 8 to 9 liters when hydrated with 1/2 gallon of water. 
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  CocoTek Fine Coir Bale 
General Hydroponics CocoTek Fine Coir Bales are 100% organic! CocoTek Coir is an environmentally-friendly renewable resource that will break down in about three years. 
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  CocoTek Fine Coir Brick 
An organic growing medium of low-sodium, finely-shredded natural coconut coir, CocoTek Fine Coir Bricks absorb water quickly yet maintain the high levels of oxygen that your plants need for optimum growth. 
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  Crop Circles 
If you prefer coir fiber for your garden, you might consider trying Crop Circles coir fiber coco peat disks. 
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  Cubecaps 
Eliminate algae and the breeding ground for fungus gnats in your hydroponics with the pesticide-free CubeCap! 
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  Europonic Rockwool Conditioner 
Europonic Rockwool Conditioner is a growing media conditioner that neutrilizes the pH level of rockwool to provide maximum nutrient uptake to your plants. 
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  Everest Nation White Out Organic Cleaner 
White Out was developed as a soaking solution for hard-to-clean salt deposits usually found on growing mediums. 
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  FoxFarm Light Warrior Agro-Ponic 
Light Warrior Agro-Ponic is our preferred organic growing medium when germinating seeds or transplanting. 
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  FoxFarm Original Planting Mix 
FoxFarm's premium organic planting mix is designed to be worked into the soil every time you plant. 
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  Gardening Indoors with Rockwool 
This 128 page reference book gives you a step-by-step guide to achieving 20 to 50 percent higher yields with rockwool growing media. 
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  Geohumus® 
Geohumus is a sponge-like odorless granulate that absorbs water, then releases it as your plant needs the moisture. 
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  Grodan A-OK Starter Plugs 
A-OK Starter Plugs are designed for starting seeds and plant clones. They come in a sheet that fits any standard 10" x 20" flat. 
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  Grodan Big Mama Block 
It's the largest grow block ever produced by Grodan! The Big Mama™ contains well over twice as much stonewool as the popular Hugo block. 
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  Grodan Delta Gro-Blocks 
Grodan Gro-Blocks are cubes of stonewool (rockwool) that have a grooved base which promotes drainage to avoid root rot. 
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  Grodan Expert Delta Slab 
The Expert stonewool in these Gro-Slabs has vertical fibers that allow the water (nutrient solution) to move quickly through the slab. This quick draining process prevents water logging and enhances aeration of the plant roots. A popular choice for hydroponics growers! 
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  Grodan Growcubes 
Growcubes are small 1/4-inch cubes of stonewool (rockwool). They're made of the same high-quality stonewool as larger Grodan cubes and slabs, but these miniature sized Growcubes fit any container size or shape. 
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  Grodan Macroplugs 
Macroplugs are great for plant cloning or starting seedlings. 
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  Grodan Mini-blocks 
The starter Mini-blocks from Grodan are popular for seed and plant cutting propagation. The fibrous structure of the Starter Mini-blocks creates an ideal air-to-water ratio that encourages robust root development. 
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  Grodan Uni-Slabs 
The Uni-Slab combines all the benefits of Grodan’s traditional stonewool slabs with the versatility of a block. Its large size gives great stability for any size plant. 
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  Gro-Smart Tray Insert 
The Grodan Gro-Smart Tray Insert was designed to hold any of the popular Grodan starter stonewool options. 
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  Growstone Hydroponics Substrate 1.25CF 
Growstones are earth friendly, with 97% of their content consisting of recycled glass products. Even the bag is made from recyclable paper. 
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  Happy Frog® Potting Soil 
A natural, organic growing medium, Happy Frog stimulates root development to strengthen your plants and keep them in optimum health. 
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  Jiffy-7 Peat Pellets 
Jiffy-7 Peat Pellets are the convenient, no-mess way to start flower and vegetable seeds and cuttings. 
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  Jumpstart 12 Pellet Window Greenhouse 
The Jumpstart 12 Pellet Window Greenhouse is perfect for germinating flower, herb and vegetable seeds. 
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  Jumpstart Greenhouse Pellet REFILL - 36 pack 
These fast-expanding, earth-friendly peat pellets are the refills used with the Hydrofarm JumpStart Pellet Greenhouses. 
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  Oasis Starter Plugs 
An excellent alternative to Rockwool starter cubes! 
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  Ocean Forest Potting Soil 
FoxFarm Ocean Forest is an organic potting soil mix that's ideal for container plants. It has a light texture for fast root growth, and is well aerated to prevent water logging. 
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  Perlite Soil Additive 
Great additive to soil sources for aeration and drainage. 
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  Rapid Rooter Plugs 
If you use the General Hydroponics Rapid Rooter Tray, you will need 50 of these replacement plugs for your next growing season. 
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  Rapid Rooter Tray with Plugs 
The Rapid Rooter Kit comes with a 50-cell plug tray and includes grow plugs. 
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  ReadyGro Aeration Formula 
Botanicare ReadyGro Aeration is a specialized soilless growing medium formulated for hydroponics gardens that require multiple waterings each day. 
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  ReadyGro Moisture Formula 
ReadyGro Moisture Formula, from Botanicare, is a specialized soilless growing medium created for outdoor use. Use it for plants that are exposed to hot, dry environments or infrequent watering. It is also well suited for hand-watering or automated pots and planters with large plants. 
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  ReadyGro Super Plugs 
Ready Gro Super Plugs have the consistency of a sponge-like material. These biodegradable and 100% organic soilless grow plugs are made of composted tree bark and other organic materials. 
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  Root Riot Cube Tray with Clonex 
Made from composted organic materials, Root Riot starter cubes have a great spongy texture which retains the perfect air-to-water ratio for healthy, rapid root growth. 
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  Root Riot Cubes 
Suitable for both plant cuttings and seed germination, Root Riot Cubes give you faster, more vigorous rooting results. 
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  Root Shooters 
Root Shooters™ are the perfect rooting medium for seeds and plant cloning. Jiffy® and Advanced Nutrients, two of the most knowledgeable gardening companies, combined their expertise to create them. 
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  Roots Organics Natural & Organic Potting Soil 
Roots Organics Natural & Organic is a quality ready-to-use coco fiber-based potting soil. 
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  Round Jiffy Peat Pot - 4-inch 
Round Jiffy Peat Pots decompose right into the soil, so there's no risk of root damage because you don't remove the plant from the peat pot. 
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  Soil Moist 
Soil Moist was developed to reduce the amount of water needed to maintain vigorous plants. It's a non-toxic, environmentally-friendly polymer that acts like a sponge, holding over 200 times its weight. 
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  Soil Moist Natural 
Soil Moist Natural absorbs several hundred times its weight in water, then releases it back to your plant as the soil dries out. 
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  Square Jiffy Peat Pot - 3-inch 
All-natural square Jiffy Peat Pots are made of 100% biodegradable Canadian sphagnum peat moss. 
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  Sunleaves Block Covers 
Algae requires light to survive and when there is none, it dies. UVA-inhibited Sunleaves Block Covers protect your garden from algae growth by preventing the light from penetrating down to the growing medium. 
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  Sunleaves Soil Sweetener 
Sunleaves Soil Sweetener is made from pulverized dolomitic limestone, an all-natural amendment that dissolves sour, acidic buildup in soil. 
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  Super Soak 
Supernatural Super Soak (previously known as Rockwool Soak) is an acid buffer that does not contain ammonia, so there's no worry of your plants getting burned. 
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  Sure To Grow Deluge Grow Media 
Sure To Grow is a revolutionary way to grow your plants in net pots and buckets. It is a growing medium replacement for gardeners who currently use hydroton or other aggregates. 
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  Vermiculite 
Horticultural Vermiculite is ideal for cloning plant cuttings and propagating seeds as it encourages a faster growth rate and has a neutral pH. 
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  Wiggle Worm Earthworm Castings 
Wiggle Worm Soil Builder Earthworm Castings are 100% Organic. Earthworm castings are an odorless, non-toxic, all natural plant food and soil amendment that provides amazing results. 
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Grow Room Supplies:

Air & Odor Purification   ·   Atmospheric Controllers   ·   CO2   ·   Composting   ·   Cooling & Heating   ·   Ducting Supplies
Fans & Filters   ·   Gardening Tools & Pruners   ·   Growing Medium   ·   Grow Tents / Indoor Greenhouses   ·   Misters & Measurers
Pest / Disease Control   ·   pH, EC/TDS, PPM Testers / Meters   ·   pH, EC/TDS, PPM Meter Solutions   ·   pH Adjusters
Pots & Containers   ·   Plant Cleaners - Leaf Washes   ·   Timers   ·   Water Purifiers
 

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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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