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CBDMed
Well-Known Member
I don't, but if it is important, I could get some.I actually bought something for long term storage which was a potassium chloride solution. I'm sure you could make your own if you have any of that on hand.
Is that cheaper than just getting more calibration salts?
When I started it was on 6.25. Then it was 6.3. Now 6.4.
I am not sure if that is the electrode adjusting to moisture, or if that is the mix affecting the pH of the deminieralized water.
I think to check it again in a couple of hours, to see if it keep climbing.