Lend a Ph probe or test?

[Snaz]

Originally Posted by danny zubot

Well, I just tried cleaning it as recommended above. The little glass ball at the end kind of disintegrated as soon as I touched it. I guess that means the probe was shot. Maybe it was a bit older than I thought.

The probe was not shot. This glass is superthin and permeable(Ions) so SUPER delicate. The proper way to clean these probes is to shoot DI water at them from a squeeze bottle, NO physical contact whatsoever. pH probes should be calibrated before each use and stored in pH 7.0 solution.