HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp Bubble Magic Equal Parts: Always use equal

Equal Parts: Always use equal parts of Athena Grow A & B to maintain proper mineral ratios

Warranty: 5-year warranty for multi-cycle commercial cultivation operations

Calibration of the pH is simple with the push buttons on the meter and fresh calibration solutions

Any order that has solvent will not be shipped in an expedited fashion

HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp Bubble Magic Equal Parts: Always use equalHydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter the most and providing very accurate readings that you can depend on. Continuous pH EC TDS Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM 500 pH EC TDS F Tester (113831) Tests pH at a range of 0 pH 14 pH, temperatures from 30 F 176 F, TDS from 0 9999 ppm and EC from 0 9999 S Stores up to 20 measurement