High Pressure Sodium (HPS) Lamp, 750W (BT37 shape). 104,000 initial lumens. E39 base.

Start growing on a small scale, then watch your plants take root! The AccelaROOT 50-cell tray gives you up to 50 small "homes" for your seedlings and cuttings. This finely crafted tray is made to...

Start growing on a small scale, then watch your plants take root! The AccelaROOT 50-cell tray gives you up to 50 small "homes" for your seedlings and cuttings. This finely crafted tray is made to...

Our heat mat thermostat is digital for greater accuracy. Features Water-resistant stainless steel temperature probe Digital temperature control Provides constant optimum temperatures for specific...

Get a jump start on the growing season with the Hot House with Seedling Heat Mat. It is well known that seeds will often germinate much more easily when provided with temperatures 10°F-20°F above...

JSV Power Cord Replacement 120V, 6' grounded cord with on/off switch.

If you already own a 2' fluorescent fixture, make the most of it and other Jump Start garden gear with this 2' Jump Start stand (System sold separately). Features Ideal for seedlings, cuttings,...

Heats 3 square feet • Gently warms soil for faster germination and better growth• Built-in thermostat• Flexible cable fits any growing area Specifications• Water resistant construction• 32W/120V/0...

Heats 6 square feet • Gently warms soil for faster germination and better growth• Built-in thermostat• Flexible cable fits any growing area Specifications• Water resistant construction• 80W/120V/0...

Heats 12 square feet • Gently warms soil for faster germination and better growth• Built-in thermostat• Flexible cable fits any growing area Specifications• Water resistant construction• 140W/120V/1...

Jump Start Heat Mats are engineered for performance and durability. The strong heating wire and thick multi-layer construction offer uniform heating and the ability to withstand rugged greenhouse...

Jump Start Heat Mats are engineered for performance and durability. The strong heating wire and thick multi-layer construction offer uniform heating and the ability to withstand rugged greenhouse...

Hydrofarm's windowsill heat mat is perfect for veteran growers, beginners, and children too. It is the perfect size for small growing spaces, and improves germination by warming the root area 10-20°F...

Jump Start Heat Mats are engineered for performance and durability. The strong heating wire and thick multi-layer construction offer uniform heating and the ability to withstand rugged greenhouse...

Hydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add-on units to this one. Bottom heat is one of the most important and effective ways...

This is the add-on unit for the MTMDU Commercial Heat Mat. You can daisy-chain up to 4 of these units to the MTMDU unit to maximize your seed starting area. Bottom heat is one of the most important...

Once you've germinated your first batch of 55 plants with our Smart Float Grow Tray, keep the green growing with our bag of refill plugs. For success with your plants, transport a plant out of the...

Hydrofarm's Smart Float comes with a 55-cell floating insert, heavy duty tray, and 55 earth-friendly Quick Start plugs to get your plants off to a great start. Features Smart Float provides an ideal...