HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp HM-200 Thermometer/Hygrometer non-controlled fixtures simply operate at

non-controlled fixtures simply operate at 100%

Single button control

This powerful

This versatile formula is perfect for use across all growing environments

please place under protected area such as a covered porch

HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp HM-200 Thermometer/Hygrometer non-controlled fixtures simply operate atHydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing 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 30F 176F, TDS from 0 9999 ppm and EC from 0 9999 S Stores up to 20 measurement readings, so