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HTG Supply is the #1 hydroponics store for all the hydro supplies you need! Shop now for the best grow lights available, including our cutting edge selection of LED grow lights. From grow tents to nutrients, we strive to provide our customers with the best hydro supplies at reasonable prices. Order online today or visit one of our hydroponic store locations!
Learn how to grow your own! Our Indoor Garden Information Center offers expert insights into indoor gardening, hydroponics, urban gardening and more. Want to know how to grow CBD hemp or industrial hemp? We can help with that too! Whatever you grow, we can help you succeed.
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Brands We Carry (2070)
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Climate Control Equipment (328)
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Commercial Systems and Supplies (93)
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Grow Room Control Systems (149)
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Grow Room Odor Control (102)
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Grow Tents (100)
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Hydroponic Nutrients (477)
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Hydroponics (456)
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Indoor Garden Grow Pots (146)
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Indoor Grow Light Kits and Parts (390)
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Indoor Grow Mediums (197)
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Pest Control (88)
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Plant Cloning Equipment (161)
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Special Deals (255)
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Tools & Accessories (329)
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Newest Products
Most Popular Products
HTG Seamless Bandana
$2.50
Boveda 62% RH Packs
$1.01
HTG Beach Box
$5.00
Roots Organics Potting Soil 1.5 Cubic Feet
$20.35
AgroMax Rope Ratchets - 1/8" x 8 Foot - 75lb Max Each
$13.95
HTG Plastic Herb Grinder
$7.95
6 Inch RhizoCore Basket Bucket Lid
$4.00
Clear Vinyl Saucers
$0.35 – $1.75
5 Gallon Black Bucket
$6.00
5 Gallon Ultra Oxy Pots
$7.99
CANNA Coco - 50L
$30.95
Advanced Nutrients pH Perfect Grow Micro Bloom
$9.94 – $155.88
Super Roots 1 Liter Propagation Air Pots
$2.71
Heavy Duty Saucers
$1.75 – $4.75
CANNA Coco Brick - 40L
$15.08
10 Inch RhizoCore Basket Bucket Lid
$4.50
3.5 Gallon Black Bucket
$4.45
7 Gallon Ultra Oxy Pots
$8.99
Advanced Nutrients B52 Plant Metabolism Booster
$17.06
3/4 inch Rubber Grommet
$0.70
Square Farmer Pot Elevator 13"
$5.75
BurpLids
$3.99
HTG Supply 4 Foot 2 Lamp High Output T5 Fixture
$87.90
Accelerooter 55 Site Floating Seed Starter Tray
$29.95
Our Latest Articles & Videos
General Hydroponics Calculator
Hydroponics is a means of growing plants that dates back thousands of years. Over time, we have innovated this field and developed new ways to get plants the nutrients they…
Guide to Hydroponic Systems
Table of contents What Is a Hydroponic System? What Are the Types of Hydroponics? What Is the Best Hydroponic System? What are the components of a Hydroponic System? Pros and…
How to Clean a Grow Tent
Table of contents Why You Should Clean Your Grow Tent Tips on How to Clean the Inside of a Grow Tent Some Extra Grow Room Cleaning Questions Products to Clean…
Hydroponics Vs Soil Growing: Ask the Doc
In this video, Dr. Myers compares growing in soil vs hydroponics. Both seeds were started in the same AcceleRooter plugs and were then moved to their respective containers. They were…
DIY Pallet Herb Garden Instructions
In 2016, 508 million new and 341 million recycled wooden pallets were produced by manufacturers across the globe. That’s a lot of wooden pallets, and with a typical useful life…
Vertical Gardening - Growing Up in 2020
Vertical horticulture has been a staple of crop cultivation for thousands of years. Ancient Greeks and Romans tended fields of grapevines grown vertically on wooden posts, and the mythical hanging…
Cheap Indoor Grow Setup: How to Grow Your Own for Only $111
How to Grow with 100 (and 11) Bucks So you want to hop onto the grow-your-own wagon, but you can’t break the bank in the process. Growing is a rewarding…
Damping Off Plants
In this video, Dr. Meyer covers a common issue known as Damping Off.
Yellowing Leaves!
Ask The Doc goes over some CAUSES and CURES for YELLOW LEAVES on your plants! Here the good Doctor discusses yellowing leaves using a Pumpkin Plant as a visual guide.…
Vermiculite!
In this Video, the Doc explains to you the benefits and best uses for Vermiculite; as well as the difference between Vermiculite and Perlite.
Start Growing Hydroponically
CLICK HERE TO PURCHASE YOUR HYDROPONIC GEAR In this video, Dr. Myers will show you how to begin growing hydroponically. There’s plenty to know, so be sure to follow along…
Seed Germination
Here is an in-depth discussion of seed germinating.
