Tank gauges seldom work correctly!
The old days they always told us the gauges didn't work reliably because the probes in the tank got dirty! Now whats there excuse with my new one with the external senders nothing internal but they s...
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All my tanks gauges are on the outside of the tanks and they don't work properly. When I want to know how much water is in my freshwater tank I lift the bed up and look down at the tank. For my black water, I hold the drain open and look down there with flashlight. For the grey; if water is backing up in the kitchen sink-time to dump!
