Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester Quest Filters The ExHale Original comes with

The ExHale Original comes with a freshness seal that doubles as a hanger

Robust commercial design keeps LED's running cool

Manganese EDTA

black spot

apply 2% formulation

Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester Quest Filters The ExHale Original comes withThe HI98131 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. All measurements in a single, hassle free tester. Quick Cal solutions to calibrate pH and conductivity all at once with a single solution. Perfect for