Growco Indoor Garden Supply 877-939-6900


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Specializing in indoor gardening and hydroponics growing!


Come visit our stores! Safe, secure hydroponics ordering! Satisfaction guaranteed

Growco Indoor Garden Supply opened for business in 1999 We handle large orders
and we've been supplying both hobbyist and professional gardeners with quality merchandise through our retail stores and website ever since.  We supply you with the best products that the industry has to offer, at a competitive price. Learn more here

We spare no expense in our shipping
department to see that your order will reach you in perfect condition - satisfaction and privacy guaranteed!  We warehouse all of our products, and pride ourselves in getting your order to you fast!

 

 
Our staff has many years of hands-on experience
helping customers build grow rooms, dial in nutrient programs, and make seriously productive gardens.  Feel free to give us a call with any questions you may have, we're here to help you.

Private, secure online ordering.  No registration needed to order.  Satisfaction is guaranteed!

Retail store and Online since 1999!

FREE SHIPPING
on most orders totaling $250 or more when shipped to lower Continental USA!

CAN Fans and Filters in stock!Stop in and visit us at our retail stores and experience a true, full service grow shop in person! Growco Indoor Garden Supply has two locations filled with all of the products on our website for you to check out.

We've got a warm summer day waiting for you all year-round at our Michigan Street location. Our attached greenhouse is filled with bonsai trees and running hydroponics systems for your viewing (and purchasing) pleasure.

Our new West River Drive location is crazy big, with a huge selection of indoor gardening products! Check out a running Volksgarden, or our new line of Current Culture hydroponics systems, both on display at the new shop. You'll also find the largest selection of nutrients in the state! It's located off 131 in Comstock Park, north of Grand Rapids. Easy on/off access, near the White Caps Stadium.

We welcome your visit, and promise you, it will be worth your time to make the trip! Maps to our stores

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Big Bag Bed - A garden sized Smart Pot!

HydroGen PRO - A water Cooled CO2 generator!

HydroGen Water Flow Valve - Instead of a water pump!

Ice Cap Heat Scrubber - Reduces CO2 heat!

Xtreme Tea Brews - Compost tea bag makes 3 gallons!

True Blooms Foliar Spray - Increases flower production!

EZ-Clone 128-Site - Recycled classic version!

Plant Warrior Pots - Provides extra oxygen to roots!

Elemental O2 Reinforced Air Tubing - With 3/8-inch ID!

Hollow Leg - Fabric sack to collect harvests or debris!

Hollow Leg Jr - Bag fastens around your waist.

Ushio HPS Lamps - Increased red & blue spectrums!

Ushio MH Conversion Lamps - Use with HPS ballasts!

Bountea Garden Tea Brew Kit - Organic compost tea!

Mighty Bomb RTU Spray - Kills spider mites on contact!

Mighty Bomb Concentrate - Spider mite insecticide!

Aptus Breakout Powder - Extends the blooming cycle!

Wholesome Sweetener Organic Unsulphured Molasses

Cool Tube 8 Reflector - Hang horizontally or vertically!

NANOLUX 1000W - Big results with small ballast!

Blueprint BAAC-1 - An analog atmosphere controller!

Blueprint FSC-1 - Variable fan speed controller!

Blueprint Cycle Timer BCT-1 - A 120V recycle timer!

White Wing Compact Fluorescent - Economical fixture!

GrowLab 120L - This is one of the big wide tents!

Aptus FaSilitor  - Strengthens plant structure!

Aptus BloomBoost - Bloom and maturation stimulator!

Aptus StartBoost - A biological to stimulate the roots!

Aptus PeakBoost - Improves photosynthesis process!

Aptus MassBoost - Stimulates powerful fruit set!

Aptus FinaleBoost - Improves yield & quality of produce!

Aptus Ecozen - Enzymes to keep root surfaces clean!

Aptus Package - The whole Premium Collection!

Eye Hortilux Lamps - All sizes we carry on sale!

MORE NEW STUFF!

Why shop at 4hydroponics.com?

◊  FREE shipping on most orders $250 or more when delivered in lower Continental USA.
     (Sorry, Alaska and Hawaii not included.) Oversized or heavyweight items not included.
◊  NO sales tax when delivery is outside of Michigan. In some states that's a 10% savings!
◊  VERY competitive pricing.
◊  No registration needed to place an order.
◊  When we ship your order, magazines or catalogs are liberally included. (More info)If you're in Michigan...
◊  Read customer feedback here.

Shipping to Michigan? Expect delivery within 2 business days!



Advanced Nutrients

Canna nutrients

House and Garden nutrients

Fox Farm Fertilizers

Hesi nutrients

Flame Defender Fire Extinguishers

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
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
Air Conditioners
Atmospheric / Climate Controls
CO2 Generators
CO2 Injection and Testers
Composting Supplies
Ducting Supplies
Exhaust Fans
Exhaust Fan Filters
Garden Tools / Pruners
Grow Tents
Growing Mediums
Light Movers & Reflective Sheeting
Misters & Measurers
Odor Control
Pest & Disease Control
pH Adjusters
pH, EC/TDS, PPM Meters & Testers
pH, EC/TDS, PPM Meter Maintenance Solutions
Plant pots and containers
Timers
Water Purifiers

 

Clearance Items

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
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
Odor Control using Polishing
Plant cuttings - how to make them
Plant cuttings under a tray dome
Root Rot and Hydroponic Systems
Seed Germination
Spidermite Control
Spidermite Prevention
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
Customer Comments
YouTube Video

Stuff on Sale

More New Stuff


Call or email us for quantity discounts!

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

 

 

PayPalGrowco accepts Visa, MasterCard, Discover and American Express credit cards

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