Hanna Instruments GroLine Waterproof EC/TDS/Temp Tester Grow Tent Accessories Kind to your plants

Kind to your plants

Single 4 ft Brush

your brain will naturally try to trick you into taking short

Virgin Activated Coal Based Carbon

Hanna Instruments GroLine Waterproof EC/TDS/Temp Tester Grow Tent Accessories Kind to your plantsThe GroLine Waterproof EC TDS Tester is made specifically for hydroponics, provides a simple, inexpensive solution to measure fertilizer concentration in a nutrient solution. The GroLine Waterproof EC TDS Tester is one of Hanna Instruments' latest pocket meters for measuring the EC TDS of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The GroLine Waterproof EC