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About High Tech Garden Supply

Thank you for visiting HTGSUPPLY.COM. We sell a wide variety of indoor plant growing supplies, hydroponic systems and nutrients. We specialize in grow light systems and you will find many high performance grow lights only found here. We are one of the largest and certainly the best online retailers of indoor growing supplies.

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We are known for selling high quality merchandise at very affordable prices. We have a large inventory and are famous for our discrete, LIGHTNING FAST SHIPPING.

Retail Store Hours

Sunday: CLOSED
Monday:CLOSED
Tuesday:11:00am - 7:00pm
Wednesday:11:00am - 7:00pm
Thursday:11:00am - 7:00pm
Friday:11:00am - 7:00pm
Saturday:10:00am - 4:00pm

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New and Featured Products

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Grow Tent - Size L 56 x 56 x 78 - Silver Lined

Introducing the 56" x 56" x 78" Grow Cabinet / Grow Tent by HTG. Growing plants indoors just became easier and smarter. The HTGSUPPLY Grow Cabinet will provide a superior indoor greenhouse growing environment for your plants. The HTGSUPPLY Grow Cabinet (also known as a Grow Tent) can be used for either hydroponic growing or growing in soil or soil less mixtures.
$209.99
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GrowBright Premium 1000 Watt Switchable Ballast

GrowBright Premium 1,000 watt High Pressure Sodium/Metal Halide SWITCHABLE (also known as Convertible)GROW LIGHT BALLAST in ALUMINUM Enclosure with 120 volt power cord (can also accept optional 240 volt power cord!)
$169.98
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HTGSupply Ultimate 400w HPS & MH Grow Light

Includes: HTGSupply 400 Watt HPS Ballast, Compact 4-Sided Reflector, 400w HPS Bulb, GrowBright 400w MH Conversion Bulb, 10' Ballast to Reflector Cord Set, Heavy Duty Dual Outlet Timer
$164.95
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GrowBright Digital Light Meter

The GrowBright Digital Light Meter includes a remote sensor for easy reading and measures HID output in three scales up to 50,000 lux.
$39.95
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HTGSupply Clamp Light Fixture w/ Two (2) 35 Watt CFL

SYSTEM OVERVIEW:* Two Specialty 35 watt Compact Fluorescent bulbs: 6400K "Grow" and/or 2700K "Bloom" bulbs!, * Clamp Light with 10" Parabolic Reflector and 6 ft. Power Cord, * "Y" Adaptor that fits TWO bulbs
$27.95
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HydroStone Expanded Clay Pellets - 50 liter bag

Composed of shale that is pelletized and fired to give properties of high water storage and balanced capillary attraction. HydroStone has a neutral pH and does not degrade.
$24.99
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Humidity Dome

Humidity Domes are made of durable clear plastic and feature two separate sites on top for optional ventilation control. These domes stand seven inches tall and fit any standard-sized nursery flat.
$4.95
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HTGSupply Seed Starter Kit

SEED STARTER KIT - Just add water (and seeds!) Includes: * 55 Site Floating Seed Starter Tray * 55 Seed Starter Plugs * Heavy Duty 7" Humidity Dome * Seed Starter Heat Mat
$34.50
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Block-IR 25 feet

Block-IR infrared heat shielding keeps the heat where it belongs! Block-IR consists of two layers of infrared-blocking material bonded with polyurethane, which surrounds a core of non-conductive insulation. When sealed with foil tape, it creates a barrier that locks heat in. 25 ft x 4 ft roll.
$62.95
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