Growco Indoor Garden Supply 877-939-6900


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More New Stuff


We sometimes get just too much new inventory in the stores to list everything on the home page, hence our more "new stuff" page: (most recent listed first)

Liquid Peruvian Guano - All purpose organic fertilizer!

Liquid Mexican Guano - Nitrogen and trace elements!

16" EcoPlus Wall Mount Fan - Oscillate or stationery!

CAP TMP-1 - Grow room cooling thermostat!

XBF-2 Xtreme Ballast Flip Box - Runs 2 reflectors!

HumiSolve - Water soluble humic acid concentrate!

Clonex Rooting Gel Sachet - Treats up to 50 cuttings!

BioAg CytoPlus - Has essential and rare elements!

Soul Synthetics Player Pack - Hydro or soil nutrient kit!

Roots Organics Master Pack - Nutes + Additives in one!

Kessil H350 LED Light - Magenta for flowering plants!

Classroom Hydroponics Plant Factory - The 3rd edition!

Humboldt Nutrients Structural Integrity - Silicates!

Orca Liquid Mycorrhizae - Made for hydroponics!

Canna Wrench - For those stubborn 5 or 10 liter jugs!

Canna Spigot - No more lifting 5 or 10 liter jugs!

Amino Treatment - We've got it in stock!

Rootbastic - For explosive root growth!

SunGrip Heavy Duty Hangers - Holds up to 300 lbs!

Blazer 8 AC Reflector - Completely air tight!

Blockbuster Reflector - Ideal for a 4' x 4' garden area!

Plantmax 400W MH Conversion Bulb - For HPS ballast!

Plantmax 360W HPS Conversion Bulb - 400W ballast!

Lumatek Ice Pack - Cool your Lumatek ballast!

Apollo 2 Aeroponics System - Grows 22 large plants!

Apollo 3 - A true aeroponics systems for larger plants!

Bluelab pH Pen - Temps and pH readings in 1 pen!

Bluelab PPM Pen - Measures PPM and temperature!

Aqua Flakes - 2-part nutrient for re-circulating hydro!

House & Garden Soil - For lime deficient soil gardens!

House & Garden Cocos - For coco coir growers!

Top Booster - Trigger early, abundant flowering!

Shooting Powder - 30% increase in yield!

Roots  Excelurator - Grow roots fast!

House & Garden Hydro - Commercial grade nutrients!

Multi Zen - Increases the number of flower sites!

Magic Green - Foliar Spray to green up your plants!

Drip Clean - Cleans roots, hydro system and media!

Algen Extract - Kelp extract with active ingredients!

Bud XL - For larger, sweeter fruits!

Bio 1 Component Soil Fertilizer - One bottle does it all!

BlueLab Soil pH Meter - For soil and hydro grow media!

CO2 Boost Buddy Bag - 6 months of extra CO2!

Hydro Halo 9-inch Water Ring - Top feed drip ring!

CNS17 Coco - Bloom and grow formulas just for coco!

Grotek Mega Pack - Nutes collection in cooler bag!

CAN-Lite Filters - Same CAN quality - lighter weight!

Air Box Air Filters - Added Air Box 1 and Air Box 4!

Milwaukee MW100 pH Meter - Easy to read display!

Horti-Control LF-2 Flip Flop - Runs 4 hoods w/2 ballasts!

King Cobra 8 Reflector - One of the largest!

King Cobra 6 Reflector - Sunleaves biggest hoods!

Horti-Control LF-4 - Flip box for 4 ballasts/8 reflectors!

Horti-Control LF-6 - Use 6 ballasts to run 12 reflectors!

AzaSol Azadirachtin Powder - Natural insecticide!

Zero Tolerance Concentrate - Now in pint size!

Rasta Bob’s Death Mite - Eradicates mites in 7 days!

Under Current XL8 - Re-circulating deep water culture!

Under Current XL4 - Grow plants up to 4' tall!

Under Current XL6 - Modular and expandable!

Under Current XL12 - The first hydro of its kind!

Cobra 6 AC Reflector - Plug N' Play ready!

Cobra 8 Plug N' Play - Excellent for CO2 enrichment!

Sun Stand 2 - Fluorescent light mover for cloning!

Small Boy with KDF85 - Removes chloramines!

Tall Boy with KDF85 - Water filtering for city water!

Soleus Air LX-140 - Portable AC & Heating

Mighty Wash - Removes Spider Mites + their eggs!

Dark Room II Linkable Dryer - Use for small jobs!

Power Wash - Removes chemical residues on leaves!

PM Wash - Removes mold and mildew on plants!

Dark Propagator DP90 - Just for cloning - only $72!

CAN-Trol Variable - Max-Fax speed controller!

Big Boy Water Filter System - For high volume users!

Hang Time Drying Net - 6 shelves, 24" in diameter!

Mogul Socket Extender - Helps center smaller lamps!

1 oz Pump Dispenser - For 1 or 2.5 gallons jugs!

B`Cuzz Booster Pack - Includes all 3 stimulators!

Sticky Bye-Bye - Removes gummy resins!

Earth Juice Double Up and Down - pH adjusters!

24" Mixing Spoon - Big enough for reservoirs!

Hydro-Logic Float Valve - Prevents overfilling messes!

Jungle Juice Micro - Micronutrients your plants need!

Jungle Juice Grow - Balanced nutrition for growth!

Jungle Juice Bloom - For large aromatic blooms!

Mini Sunburst - Reflector with built-in 175W ballast!

Sunspot 8 Reflector - Prewired and ready to go!

Sunspot 10 Reflector - Great light penetration!

Sunspot 6 Reflector - Air tight seal for venting!

CANNA Start - 1-part nute for cuttings & seedlings!

Crystal Burst - Humboldt County's Own bloom booster!

Safer 3-in-1 Garden Spray RTU - Kills bugs & fungi!

Claber Multi-Jet Pistol - Unbelievable adjustability!

Safer 3-in-1 Garden Spray - Concentrate formula!

X-Clude Formula 2 - Nearly odor-free insecticide!

Sunleaves Digital 4-Way Soil Meter - Light, pH + more!

Square Foot Gardening - Grow more is less space!

Fiskars Comfort Grip Snips - Holds the stem!

Ideal-Air Silver Foil Tape - Heat resistant and tough!

Stainless Steel Compost Can - Great for the kitchen!

Dramm 30-inch Rain Wand - Lifetime guarantee!

WaterFarm Plumbing Kit - Rebuild your WaterFarm!

Mykos WP - Wettable powder Mycorrhiza for hydro!

CalCarb Foliar Spray - Increase photosynthesis 3-fold!

Giant Pumpkin Kit - Xtreme Gardening results!

Blazer 6" AC Reflector - New from Sunlight Supply!

Eco 1056 GPH Water Pump - Inline or submersible!

Eco 633 GPH Water Pump - Inline or submersible!

Eco 396 GPH Water Pump - Inline or submersible!

Eco 264 GPH Water Pump - Inline or submersible!

Eco 185 GPH Water Pump - Inline or submersible!

Reusable Plant T-Markers - Keep track of your plants!

Milwaukee MW802 Meter - Portable 3-in-1 tool!

SunDial3 Digital Multi-Timer - 120V up to 1725 watts!

Mykos Granular Mycorrhizae Drops - For Hydro!

Mykos Granular - 1 lb bag of Mycorrhizae!

Mykos Granular - Single application of Mycorrhizae!

Solar Powered Cooling Fan - For Xtrasun 6 AC!

HF 49" Parabolic Hood - Vertical or Horizontal bulb!

Windowsill Heat Mat - Narrow for small spaces!

Adjustable Duct Elbows - Air tight construction!

Mini Split Heating and Cooling - 12,000 BTU!

Mini Split A/C 24,000 BTU - 30% energy savings!

Mini Split A/C 36,000 BTU - Safe R-410A refrigerant!

Portable A/C 29,000 BTU - Cools 350 sq ft room!

Portable A/C 21,000 BTU - Cools 7,000W HID lights!

Zephyr 1 Temp Controller - On / Off, Day / Night!

Mercury 3 - Day / night fan speed controller!

Mercury 4 - ETL Listed multi-function fan controller!

Timelapse PlantCam - Weatherproof movie camera!

Centrifugal Humidifier - With commercial motor!

Helios 2 Light Controller - 120V 4 HID lights!

Helios 3 Light Controller - 4 lights 240V either cords!

Helios 6 Light Controller - 8 lights - 240V cords only!

Helios 8 Light Controller - 240V 8 lights either cord!

Helios 15 Light Controller - 240V 8 lights w/timer!

Elemental Sulfur Prills - 99.9% pure!

BananaBliss FloraNectar - Sweetener from GH!

Garden Soft Tie - Rubber coating protects plants!

Tool Sanitizer Spray - Keep your tools disinfected!

Growgles Goggles - Dark green UV fit-over style!

Growgles UV Glasses - With removable side shields!

Flo-N-Gro - 12-site ebb & flow hydroponics system!

Flo-N-Gro 6 pack expansion kit - Cost effective!

Sentinel Therm-1 - Heating / cooling thermostat!

Xtreme Gardening Azos - Amazing biological!

Black Lightning Gloves - pH corrected & latex free!

Titan Controls CO2 Regulator - Rugged construction!

T5 Strip Light Magnetic Brackets - For HID hoods!

Oceanus 1 Controller - For ebb and flow hydro!

PreEvolution KDF85 Filter - A replacement filter!

PreEvoltion Sediment Filter - The replacement!

Hydro-Logic PreEvolution - Pre-filter for RO1000!

GO Box - Every General Organics nutrient in 1 box!

Evolution RO1000 - Handles up to 1000 gallons/day!

GreenFuse Bloom Stimulator - Plant oils & extracts!

GreenFuse Growth Stimulator - For soil or hydro!

GreenFuse Root Stimulator - Organic concentrate!

Galaxy 1000W Select-A-Watt Ballast - Only $299!

Evolution Membrane Elements - Replacement filters!

Evolution KDF85 Filters - Pre-filter replacements!

Age Old Humic Acid 12 - Reclaims damaged soil!

Organic Seeds - We've expanded our selection!

Pyrethrin Garden Insect Spray - In concentrate!

Espoma Greensand - Amazing soil conditioner!

Espoma Garden Gypsum - Approved organic!

Atlas 5 - Portable temp, humidity and CO2 monitor!

Atlas 6 - Temperature, humidity and CO2 monitor!

Age Old Promote - Root zone management!

Age Old Fish & Seaweed - Organic magic!

Flipbox LSM-12 - Run 12 reflectors with 6 ballasts!

Electra-Air 12-E CO2 Generators - By Green Air!

Tomato Maker - Organic plant food + more!

RapidStart - Root enhancer from General Hydro!

Sunlight Supply Socket Assembly with 15-foot Cord

Sunlight Supply Socket Assembly with 25-foot Cord

SNS-217 Spider Mite Control - Now in concentrate!

Kessil H150 Mounting Arm - 24" long to direct beam

Gro-Smart Tray Insert - Holds Grodan starter sizes!

Aurora Root Pots - 100% recycled material!

Active Aqua 2' x 2' Humidome - It's 8-1/2" tall!

Active Aqua Humidome - Fits 2' x 4' flood table!

Kessil H150 Blue LED - Grow light for vegetative!

Piranha Liquid - Beneficial fungi in a bottle!

Tarantula Liquid - For soil and hydroponics!




Gardening items on sale!

Use only half the normal ballasts!

 

Table of Contents:

Track Your Order

Bulbs:
Cases of HPS lamps
Cases of MH lamps
Compact fluorescent bulbs
Combo Grow Light / Hydroponics Packages
Conversion growlight bulbs
Fluorescent growlight tubes
High Pressure Sodium (HPS) growlight bulbs
Hybrid MH & HPS combo bulbs
Metal Halide (MH) growlight bulbs
Eye Hortilux lamps - FREE SHIPPING!
Tutorial

Cloning / Plant Propagation:
Cloning Machines
Cloning Gels and Solutions
Cloning / Plant Propagation Nutrients
Cloning Machine / Grow Light Packages
Grow Lights / Height Adjusters
Seeds, Organic
Starter Plugs and Trays
Pots and Containers

Grow Light Equipment:
Accessories
Ballasts:
    Hydrofarm Powerhouse ballasts
    Hydrofarm Xtrasun ballasts
    Lumatek ballasts (Hydrofarm plug)
    Lumatek ballasts (SS type plug)
    NexGen Digital Ballasts
    Quantum Dimmable ballasts
    Sunlight Supply Galaxy ballasts
    Sunlight Supply Harvest Pro Elite ballasts
Compact Fluorescent Fixtures
Complete Grow Light / Hydroponics Packages
Fluorescent Lighting Fixtures
Greenhouse HID Light Fixtures
Grow Light System Packages:
    Hydrofarm Complete Light Systems
    Hortilux HID Bundle
    Hydrofarm Grow Light Packages
    NextGen Ballast Grow Light Packages
    Quantum Ballast Grow Light Packages
    Sunleaves Complete Light Packages
    Sunlight Supply Grow Light Packages
HID Light Controllers
LED Grow Lights
Light Movers
Reflective Sheeting/Films
Reflectors:
    Glass cylinder (tube) reflectors
    Hydrofarm reflectors
    Hydrotek reflectors
    Sunlight Supply reflectors
    HID reflectors with built-in ballasts
Tutorial 

Grow Room Supplies:
Air Cleaners
Atmospheric / Climate Controls
CO2 Generators
CO2 Injection and Testers
Composting Supplies
Cooling and Heating
Exhaust Fans
Exhaust Fan Filters
Garden Tools
Grow Tents
Growing Mediums
Light Movers & Reflective Sheeting
Misters & Measurers
Odor Control
Pest & Disease Control
pH, EC/TDS, PPM Controllers, Monitors & Testers
Plant pots and containers
Timers
Water Purifiers

 

Hydroponics:
All Hydroponics Systems 
Aeroponics
Cloning Machines
Combo Hydroponics / Grow Light Packages
Deep Water Culture (passive) Hydroponics
Drip (Top-Feed) Hydroponics Systems
Ebb & Flow Hydroponics Systems
Grow Tents (indoor greenhouses)
Hydroponics Maintenance
Kitchen Gardening
Pumps, Plumbing and Parts
Reservoirs and Plant Trays
Rotating Hydroponics Systems
Tutorial - Hydroponics
Vertical Hydroponics Gardens
Water Purifiers

Nutrients and Fertilizers:
Biological Inoculants
Brand Names
Cloning Nutrients / Solutions
Foliar Sprays
Nutrients
Organic Fertilizers
Supplements / Additives

Bonsai Tools & Supplies:
Cut Dressings
Cutters
Digging and Root Tools
Miscellaneous
Misters and Measurers
Nutrients and Fertilizers
Potting Tools and Growing Mediums
Shears and Trimmers
Tool Kits
Wire, Wire Cutters and Pliers

Questions and Answers (FAQ):
Bat Guano Fertilizers
Can-Fan / Can-Filter Setup
Exhaust Fans Explained
Foliar Feeding
General Questions & Answers
Grow Seedling in Ebb & Flow
Growing Vegetables Indoors
Growroom Odor Control
Heat Control in Growroom
Plant cuttings - how to make them
Plant cuttings under a tray dome
Root Rot and Hydroponic Systems
Spidermite Control
Thrip Facts
Transplant Seedlings into Ebb & Flow Hydro
Winter Survival for Houseplants

Reference Material:
Calculate Exhaust Fan / Filter Sizes
Calculate Grow Light Wattage
Books / DVDs
Feeding Charts / Application Rates
Gardening Abbreviations
Installation Manuals
Liquid Conversions
PPM / EC Conversions
Temperature Conversions
Garden Photos

About Growco:
Helping the Community
We Are Green
Store Locations

Sale Items

More New Stuff


Call or email us for quantity discounts!

 
FREE SHIPPING on orders totaling $250 or more
when delivered within lower continental USA!!!

 

 
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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
email

4hydroponics.com