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- Oct 23, 2017
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I didn't know they had handheld ones. I'm only familiar with the apex controller and conductivity probe which I have. Could I use this in the same applications? I notice with my probe I have to let it sit for a while before I get a consistent reading.. Maybe because it's about 2 years old.I do. It’s great. Drop it in and you can monitor the results of water or salt additions in real time. Same for mixing acclimations and up limewater/kalkwasser.[emoji3]