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saving calibration solution
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Using the same calibration powders in glass flip-top jars. They have been in use for 6 months and I don't see any drift.
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I jarred my 6.86 and my 4.0 in a couple of mason jars, it seems to be fine but I have only calibrated once with them so far. Same idea over here of being a little cheap, ha!
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Guest repliedI use the powder too and was wondering the same thing lol.
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I use a shot glass 1/2 full to cal. Mine, I don’t mind waisting that much. I keep the rest in its original bottle.
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saving calibration solution
frugal is my middle name so I am saving my 6.86 pH meter calibration solution in a sealed bottle. Has anyone tried this? Since evaporation would change the concentration I have placed a cap on the plastic bottle. Is this feasible, or am I just too fricken cheap?Tags: None
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