I could never get the Hanna calcium checker to read properly. It didn't matter if I cleaned the cuvette with RO/DI, tap, distilled, or citric acid.
I believe it has to do with the dilution step. Just try and get 1 perfect ML of water. Even with the "new" pipette, it's still way to flaky to trust.
I believe it has to do with the dilution step. Just try and get 1 perfect ML of water. Even with the "new" pipette, it's still way to flaky to trust.