The Aiper HydroComm Pro monitors water quality 24/7, tracking TDS, EC, pH, temperature, and ORP for all pool types. It features underwater communication with compatible Aiper devices and near-industrial-grade sensors for unmatched accuracy. | Aiper | | HydroComm Pro: Water Quality Monitor with Underwater Communication for Scuba X1 Series, Tracks TDS, EC, pH, Temp & ORP | Gray | Best Buy