Is at the end of the kh test left, liquid inside the kh, the dosing pump of the wast does not take out all the liquid
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Is at the end of the kh test left, liquid inside the kh, the dosing pump of the wast does not take out all the liquid
A few cm of liquid at the end of the waste water tube is OK. Anything more than that and the pump head should be recalibrated, preferably using a digital scale for best accuracy.