This is a bottle of Free C1 Chlorine Electrolyte Gel for the Chemtrol PPM Free Chlorine Sensors. The sensors are: PPMFC002, PPMFC010, PPMFC002S, PPMFC010S, PPMTC002, PPMTC010, PPMBM002, and PPMBM010.
Directions: Discard old membrane cap. Fill new membrane cap up to threads and hand tighten onto probe. Re-install and let hydrate in the cell with the cable connected for 2 hours before calibration. Turn the relay OFF so it doesn’t feed during this timeframe.