Forum Discussion
mlts22
Oct 21, 2013Explorer
One trick I do with a macerator pump to get the solids out of the black tank:
Once you have gotten the black tank empty, turn the pump off, pull the grey valve, let the water in the grey water tank backflush the black tank. Then wait until it evens out, close the grey valve, run the pump until the black tank is empty. Do this one more time, then empty the grey tank completely. I've found this gets almost any remaining stuff out without requiring additional water.
Once you have gotten the black tank empty, turn the pump off, pull the grey valve, let the water in the grey water tank backflush the black tank. Then wait until it evens out, close the grey valve, run the pump until the black tank is empty. Do this one more time, then empty the grey tank completely. I've found this gets almost any remaining stuff out without requiring additional water.
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