I Incaico Premium Member Dec 8, 2010 #1 Does anyone have the calibration solution for this type of meter? If not, and you have a Hanna tds meter do you want to go in on a group buy? The store sells them, but in lots of 25 packages and I don't need that many.
Does anyone have the calibration solution for this type of meter? If not, and you have a Hanna tds meter do you want to go in on a group buy? The store sells them, but in lots of 25 packages and I don't need that many.
