Milwaukee 1500 ppm TDS Calibration Solution Sachets 3X 20ml 810355021489 Third-party or generic reagents may

Third-party or generic reagents may not match the optical calibration of your MW10 photometer

Hanna HI70007G pH 7

and the light-blocking packaging ensures each sachet remains accurate until you're ready to use it

aquarium water quality

Milwaukee 1500 ppm TDS Calibration Solution Sachets 3X 20ml 810355021489 Third-party or generic reagents mayDescription 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