Hanna Instruments GroLine Waterproof Pocket pH/EC/TDS/Temp Tester Axial & Booster Fans Can be washed and re-oiled

Can be washed and re-oiled with foam air filter cleaner and oil for years of hassle-free use

Huge Root Growth Opportunity

You can easily improve the security with a tamper-evident band to make sure the cap stays sealed

Voltage 120/277 Volts Power 850 Watts Spectrum S4 Full-Spectrum PAR 2

the V-SYSTEM maintains optimum O2 levels in the entire root zone

Hanna Instruments GroLine Waterproof Pocket pH/EC/TDS/Temp Tester Axial & Booster Fans Can be washed and re-oiledThe Hanna Instruments GroLine Waterproof Pocket pH EC TDS Temp Tester is a slim, lightweight, and waterproof pocket tester that measures pH, conductivity (EC), TDS (ppm), and temperature. Simple, two button meter operation and advanced features, including a selectable EC to TDS conversion factor (0. 5 500 ppm and 0. 7 700 ppm). for your essential testing. The Hanna Instruments GroLine Waterproof Pocket pH EC TDS Temp Tester features a large multi