Bluelab Probe Care Kit - pH Everything you need to clean, hydrate and calibrate pH probes. Probe cleaning and correctly storing pH probes ensures you get the most accurate readings possible and will maximize the life of a probe. The probe surface is wh

Bluelab® Probe Care Kit for Conductivity Probes The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller. If the probe is contaminated or