GroStar GS3 EC Pen chillers-heaters-and-purification NOTE: This unit will also

NOTE: This unit will also work with Hydrofarm's JumpStart 2' Fixture (JSV2)

Less heat escapes and is instead contained within your ducting to be more efficiently carried away by your existing air-cooling system

control powdery mildew and mold

High humidity will interfere with the filters ability to adsorb odors

they have created lamps which offer significantly more usable light energy for hydroponics and horticultural gardening

GroStar GS3 EC Pen chillers-heaters-and-purification NOTE: This unit will alsoAI11030 GroStar GS3 EC PPM Temp Pen Lab grade instruments designed specifically for growers! Includes: 2. 77 EC calibration solution (50 ml bottle) Measures conductivity EC, PPM (500), PPM (700) and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Titanium alloy sensor designed for high accuracy EC measurement Easy to use design and fast calibration adjustment. Large 3 color backlit