Milwaukee MA9004 pH 4.01 Calibration Solution hydroponic pH buffer Dishwasher Safe — Easy cleaning

Dishwasher Safe — Easy cleaning for busy lifestyles

Battery Type: 1 x 9V (included)

The Ultimate Portable Alkaline Water System

Open a pH 4

How often do the filters need to be replaced

Milwaukee MA9004 pH 4.01 Calibration Solution hydroponic pH buffer Dishwasher Safe — Easy cleaningDESCRIPTION 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. MA9004 is a lab grade pH 4. 01 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