patchin Supporting Member BARcard Dec 10, 2011 #1 Does anyone have a calibrated TDS meter that they could bring to Chabot today? I would like to test some DI water there. I have one some where, but I can't find it.
Does anyone have a calibrated TDS meter that they could bring to Chabot today? I would like to test some DI water there. I have one some where, but I can't find it.
