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Hello! I have a prominent DCM2cl, and the home screen on the menu typically displays the chlorine ppm.. but all the sudden the chlorine is around 10ppm and the prominent feeder itself is only showing ORP mV... Not PPM... I manage a YMCA pool and really need help in understanding what happened...

Hello! I am a CPO who runs a couple commercial pools. We have large 200 gallon liquid chlorine tanks with weighted lines that make sure they are at the bottom of the tanks. Suddenly my little stenner pumps will not pump unless I take the weights off the line, and I have the have the chlorine...