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House & Garden Nutrients

Customers are asking for this exciting new line of nutrients and we've added the entire line of products. Take a look at House & Garden Nutrients.

Our New Store is officially OPEN!

Come visit our extra large store at:

Growco Indoor Garden Supply
4640 West River Dr.
Comstock Park, Mi. 49321

It's just off 131 near the White Caps Stadium.  Maps to stores.

Should your family be eating organic foods?  Read the Times News article.

Visions of a Salad Factory.  Read the article.

Growco Expansion

Business is growing so fast here at Growco Indoor Garden Supply, we added a 16,000 square foot distribution warehouse to help keep merchandise on hand for our customers. Our goal is to eliminate "out of stock" situations so no matter what you want, we'll have it on hand.

Nectar for the Gods

We're one of the first stores to carry the entire line of this exciting new group of nutrients that take a whole new approach to plant feeding.  Our customer feedback has been 100% positive! Learn more about Nectar for the Gods.

Hazmat Approved

Our shipping department has passed the training and testing to safely ship hazardous pH liquid products to your doorstep. 

Shopping Cart Upgrade

We've upgraded our shopping cart to a more simple layout.  Let us know how you like it.

FedEx now a shipping option!

You now have the option of choosing FedEx as your order carrier!  Just choose your preference between UPS or FedEx when you start your order.

Cell Phone Users!

We now have a handheld-friendly version of our website.  If you're on a mobile / cell phone device, give it a try!

http://mobile.4hydroponics.com/    Any and all feedback will be appreciated!

CANNA

Growco Indoor Garden Supply has earned the coveted status of being one of the first Authorized CANNA Dealers in Michigan! 

CANNA is internationally recognized as the world wide leader in plant nutrition and we're excited to be carrying their superior line of products.  Learn more about CANNA products.

What's the future of hydroponics?

Here are links to articles about how large scale hydroponics gardening is developing:

British Zoo incorporates Vertical Farming to feed the wildlife.  Yahoo News Video

Smarter Cities: Vertical Farming Could Ease World’s Agricultural Woes.  Inhabitat news article
 




Gardening items on sale!

 

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