Reverse osmosis (RO) water filtration systems

The epoxy body makes this probe perfect for environments where glass or PVC probes would be damaged or broken

but proper electrode care also includes correct storage (pH electrodes in storage solution

lab technicians

and heavy metals

HM Digital C-1000 TDS and EC Calibration Solution - 1000 ppm NaCl 3 oz water filter replacement parts Reverse osmosis (RO) water filtrationFor optimal performance, re calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. FEATURES: NaCl calibration solution, 1000 ppm Comes in lightweight HDPE plastic bottles Sealed with a coated foam liner