Milwaukee 1500 ppm TDS Calibration Solution Sachets 3X 20ml 810355021489 Store the pH probe in

Store the pH probe in storage solution MA9015

Hanna HI70007G pH 7

which extends the life of the filter

Proper maintenance extends probe life and ensures accurate results

Milwaukee 1500 ppm TDS Calibration Solution Sachets 3X 20ml 810355021489 Store the pH probe inDescription The performance of conductivity probes are affected by use due to residue build up and aging. M10442 is a lab grade 1500 ppm TDS solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrate your meter or tester. Check your meter or tester's manual to find the correct calibration standard for your meter. TDS readings are effected by temperature. To help with this, a chart of the actual ppm