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Home < 1/2 Gallon

Our Shop

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!

Browse Shop Categories

Indoor Grow Light Kits and Parts

Grow Light Kits for Sale

Grow Tents

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Hydroponics

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Hydroponic Nutrients

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Indoor Grow Mediums

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Indoor Garden Grow Pots

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Climate Control Equipment

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Grow Room Odor Control

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Grow Room Control Systems

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Plant Cloning Equipment

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Pest Control

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Tools & Accessories

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Featured Products

Everyday Low Prices
Latest Products
Trending Products
Top Deals
NextLight Mega Pro LED Grow Light

NextLight Mega Pro LED Grow Light 640W

Original price was: $1,099.00.Current price is: $389.00.
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Dirty-Dozen

FoxFarm Dirty Dozen Nutrient Starter Kit

Original price was: $170.04.Current price is: $121.46.
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AgroMax 2200-X LED Grow Light

AgroMax Prime-2200X LED Grow Light 760w

Original price was: $799.99.Current price is: $499.95.
Add to Cart
GrowBright 6" HEPA Filter NEW

GrowBright 6 Inch HEPA Filter

Original price was: $67.95.Current price is: $59.95.
Add to Cart
2X4 Hydro Grow Tent Kit

HTG Supply 400w 2’x4′ Hydroponic Grow Tent Kit

Original price was: $430.22.Current price is: $344.18.
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AgroMax 6400K T5 LED Bulb

AgroMax 4 Foot T5 LED Bulbs – 6400K

Original price was: $35.95.Current price is: $29.95.
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Adv B52

Advanced Nutrients B52 Plant Metabolism Booster

Original price was: $17.06.Current price is: $9.48.
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4X4 Tent Grow Kit Combo

4×4 Grow Kit Combos

Original price was: $305.18.Current price is: $274.66.
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Bubble Brothers DWC System

Bubble Brothers DWC System

Original price was: $120.13.Current price is: $108.12.
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Can Boost

CANNA CANNABOOST

Original price was: $42.89.Current price is: $32.30.
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EYE Hortilux 315 Watt CMH Bulk Lamp - Single

EYE Hortilux 315 Watt CMH Bulk Lamp – Single

Original price was: $89.95.Current price is: $29.95.
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Hortilux 315w CMH No Monogram Case Bulb 12 Pack

Eye Hortilux 315w CMH Bulbs (No Monogram) – Case of 12

Original price was: $899.95.Current price is: $149.95.
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Kaya Coir Loose Fille 70% Coco 30% Perlite

Kaya Coir Loose Fill 70/30 Perlite

Original price was: $51.48.Current price is: $40.93.
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Milwaukee Instruments MW101 Soil Meter

Milwaukee Instruments MW101 Soil Meter

Original price was: $270.00.Current price is: $222.95.
Add to Cart
Milwaukee Instruments MW803 Waterproof Tester

Milwaukee Instruments MW803 Waterproof Tester

Original price was: $125.00.Current price is: $79.95.
Add to Cart
Milwaukee Instruments MW302 Pro EC Meter

Milwaukee Instruments MW302 Pro EC Meter

Original price was: $145.50.Current price is: $112.04.
Add to Cart
Hortilux SE 600 HPS Commercial Grow Light

Eye Hortilux SE 600 HPS Commercial Grow Light

Original price was: $499.95.Current price is: $99.95.
Add to Cart
EYE Hortilux 1000w HPS Bulb - Case of 6

EYE Hortilux 1000w HPS Bulb – Case of 6

Original price was: $299.70.Current price is: $199.96.
Add to Cart
Key to Life Silver Bullet

Key to Life Silver Bullet

Original price was: $186.45.Current price is: $179.95.
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Key to Life ENDzyme

Key to Life ENDzyme

$44.68
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Boveda 62 Percent 8 Gram

Boveda 62% RH Packs

Original price was: $1.01.Current price is: $0.62.
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Terploc 1 Ounce Window Bag Front

TerpLoc 1 Ounce Curing & Storage Bag with Window – Single

Original price was: $1.26.Current price is: $1.00.
Add to Cart
Gro Pro Premium Nursery Pot

Gro Pro Premium Nursery Pots

Original price was: $0.70.Current price is: $0.47.
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Canna Coco Brick 2

CANNA Coco Brick – 40L

Original price was: $21.60.Current price is: $15.08.
Add to Cart
Terploc Curing & Storage Bag 1/8 Oz

TerpLoc Eighth Ounce Curing & Storage Bag with Window – Single

Original price was: $0.38.Current price is: $0.35.
Add to Cart
Terploc Curing & Storage Bag 1/4lb

TerpLoc Quarter Pound Curing & Storage Bag with Window – Single

Original price was: $2.66.Current price is: $1.99.
Add to Cart
Agromax Nursery Flat Tray

AgroMax Nursery Flat Tray

$1.49
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Clear Saucers

Clear Vinyl Saucers

Original price was: $0.65.Current price is: $0.49.
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Agromax-Humidity-Dome-7-Inch-Angled

AgroMax 7″ Humidity Dome

Original price was: $5.75.Current price is: $4.99.
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1/8"x8' Rope Ratchet 75lb

AgroMax Rope Ratchets – 1/8″ x 8 Foot – 75lb Max Each

Original price was: $13.95.Current price is: $8.95.
Add to Cart
Gb 9 Fan Cord

GrowBright 9″ Grow Room Fan

Original price was: $26.95.Current price is: $9.06.
Add to Cart
315 Watt Cmh Dimmable Digital Greenhouse

Digital Greenhouse 315w Dimmable CMH

Original price was: $199.95.Current price is: $37.47.
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Scion 315w Dimmable CMH Fixture

Scion 315w CMH Grow Light

Original price was: $169.95.Current price is: $33.00.
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High Frequency 600 Watt Digital Ballast Agromax

AgroMax Hi-F 600w Digital Ballast

Original price was: $139.95.Current price is: $45.00.
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120v Dual Outlet Mech Timer

High Yield 2 Outlet Mechanical Timer

Original price was: $18.95.Current price is: $4.95.
Add to Cart
Ge Lucalox 400 Watt Hps Bulb

GE Lucalox 400 Watt HPS Bulb

Original price was: $46.95.Current price is: $3.75.
Add to Cart
The Agromax Digital Cooling Controller

The AgroMax Digital Cooling Controller

Original price was: $49.95.Current price is: $12.49.
Add to Cart
Pureparvegt5

AgroMax 2 Foot T5 Pure PAR Bulb

Original price was: $6.00.Current price is: $2.50.
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Sunmaster 1000W De Fullnova

Sunmaster 1000w Full Nova DE Bulb

Original price was: $108.95.Current price is: $22.95.
Add to Cart
Digital Greenhouse Hhp 1000W De Grow Light

Digital Greenhouse HHP 1000w DE Fixture

Original price was: $269.95.Current price is: $70.00.
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Brands We Carry

Phat Sacks Brand Products for Sale
Bubble Hydroponic Systems
Advanced Nutrients Brand Products for Sale
Active Aqua
Active Eye
Age Old Organics Brand Products for Sale
aGROair Products
AgroMagen Products
AGROMAX
AgrowTek Logo
Antelco
ARS Products for Sale
Aptus Plant Tech Brand Products for Sale
B Cuzz Brand Products For Sale
Athena Agriculture
Aurora Innovations | Roots Organics Brand Products for Sale
AutoPilot Brand Products For Sale
AutoPot USA
Azatrol
B Cuzz Brand Products For Sale
BASF
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BioBizz Logo
Bio Green Clean
Shop All Brands

Recent Articles

View All Articles
How to Control Grow Room Climate

HOW TO CHOOSE THE RIGHT GROW TENT SIZE

Read This Article

HOW TO: CLEANING YOUR SUBMERSIBLE HYDROPONIC WATER PUMPS

Read This Article

HOW TO: SET UP THE PURE 100 REVERSE OSMOSIS SYSTEM

Read This Article
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    Your Cart
    HM Digital pH 7.0 Buffer Solution - 20 mL
    HM Digital pH 7.0 Buffer Solution - 20 mL
    1 X $1.24 = $1.24
    Heavy 16 Fire 1 Quart
    Heavy 16 Fire - Quart
    1 X $90.10 = $90.10
    Hydro Logic RO Float Valve - 3/8"
    Hydro Logic RO Float Valve - 3/8"
    1 X $23.04 = $23.04
    Cutting Edge Solutions Micro Gallon
    Cutting Edge Solutions Micro - Gallon
    1 X $28.20 = $28.20
    Grower's Choice ROI-E420 LED 420w Grow Light
    Grower's Choice ROI-E420 LED 420w Grow Light
    1 X $450.00 = $450.00
    General Organics Biothriveg
    BioThrive Grow - Quart
    1 X $14.74 = $14.74
    Canna Boost 10 Liter
    CANNA CANNABOOST - 10 Liter
    1 X $680.72 = $680.72
    Sun Pulse Spitter 2
    SunPulse Splitter
    1 X $59.95 = $59.95
    Nutrient Measuring Cap - Orang
    Pro-Blend Nutrient Measuring Cap - Orange
    1 X $3.37 = $3.37
    BlueLab Combo Plus Meter with Probe
    BlueLab Combo Plus Meter with Probe
    2 X $311.22 = $622.44
    CAN Filter Lite 12
    CAN Filter Lite 12
    1 X $349.95 = $349.95
    Botanicare Fitting Three Quarter Inch
    1/2 Bulkhead Fitting
    1 X $1.98 = $1.98
    KFI Flange 4 Inch Regular
    KFI 4" Flange Regular
    1 X $6.72 = $6.72
    Terploc 1 Ounce Window Bag Front
    TerpLoc 1 Ounce Curing & Storage Bag with Window - Single
    1 X $1.00 = $1.00
    Subtotal $2,333.45
    To find out your shipping cost , Please proceed to checkout.
    View CartContinue ShoppingCheckout$2,333.45