800L (475 gallons) — the longest lifespan of any Santevia Gravity replacement cartridge

always rinse the probe in fresh tap water after every use

Bottle: Combination twist off and eyedropper style cap

Laboratory & educational use

chloramines

Milwaukee MA9006 pH 6.86 Calibration Solution TDS-3 800L (475 gallons) — theDESCRIPTION Probe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect. Calibration should be performed at least once a month. MA9006 is a lab grade pH 6. 86 buffer solution certified to meet the standard to an accuracy of 0. 01 pH removing the inaccuracies involved with mixing buffers. Milwaukee solutions are designed to help you achieve reliable and repeatable pH measurements while