Pump grey tank into black tank?
I was having a cold one with a camping buddy of mine and we were talking about the fun subject of black tanks. It got us "thinking" what if one was to place a DC pump that pumped grey water into th...
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no need to pump it... just open the grey valve first... then the black valve... and it will seek its own level, done it many times. grey tank always fills up way before black. OH YEA... make sure to keep the outside valve closed :S
