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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 (1608)
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Grow Light Kits and Parts (367)
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Grow Tents (100)
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Tools & Accessories (189)
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Newest Products
Most Popular Products
3 Inch Net Pot
$0.40
HTG Seamless Bandana
$2.50
Roots Organics Potting Soil 1.5 Cubic Feet
$19.95
$16.95
Clear Vinyl Saucers
Starting at:
$1.75
5 Gallon Ultra Oxy Pots
Starting at:
$7.99
5 Gallon Black Bucket
$6.00
Boveda 62% RH Packs
Starting at:
$1.28
HTG Beach Box
$5.00
AgroMax Rope Ratchets - 1/8" x 8' - 75lb Max Each
$13.95
3/4 inch Rubber Grommet
$0.75
7 Gallon Ultra Oxy Pots
Starting at:
$8.99
6 Inch RhizoCore Basket Bucket Lid
$4.00
1 Gallon Grow Bags
Starting at:
$2.70
Advanced Nutrients pH Perfect Grow Micro Bloom
Starting at:
$80.08
HTG Plastic Herb Grinder
$7.95
Botanicare 180 Micro Sprayer
$0.45
Super Roots 1 Liter Propigation Air Pots
$2.38
Square Farmer Pot Elevator 13"
$4.75
10 Inch RhizoCore Basket Bucket Lid
$4.50
CANNA Coco - 50L
$26.95
$23.73
Heavy Duty Saucers
Starting at:
$4.75
3 Gallon Phat Sacks
Starting at:
$2.95
HTG Koozie
$2.50
Elemental O2 Cylinder Stone - 4 Inch
$4.50
$3.50
Our Latest Articles & Videos
Ask the Doc: How Does Temperature Affect Plant Growth?
Ask the Doc: Diagnosing Nutrient Deficiencies Transcription: A lot of growers ask, “what’s the best light to use” or “what’s the best nutrient” or “what’s the best soil”. But to…
Ask the Doc: Diagnosing Nutrient Deficiencies
Ask the Doc: Diagnosing Nutrient Deficiencies Transcription: If your plant’s not growing the way it’s supposed to be – if it looks weird – and you assume you have a…
Hydroponics Vs Soil Growing: Ask the Doc
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…
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…
Ask the Doc: Photosynthesis and CO2
Ask the Doc: Photosynthesis and CO2 If you’ve ever taken a biology class you have probably had to memorize the equation for photosynthesis. Now photosynthesis is the most important metabolic…
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
By: Dr. Meyer on 04/09/2018 In this video, Dr. Meyer covers a common issue known as Damping Off. Here is a complete transcription of the video: What you see here are a few seedlings that…
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…
Potting your Starter Plugs!
In this Video, the Doc shows you how to transfer your starter plug into a larger grow pot. He uses a Coir Soil mixture under and around the Starter Plug.…
Potting your Clones!
In this Video, the Doc shows you how to transfer your Clone into a larger grow pot. He uses a Coir Soil mixture under and around the Clone. Coir prevents…
Potting Up!
In this video, Doc shows you the in’s and out’s of transplanting your plants from a smaller container to a larger container. Key points in this video are: Be sure…
