Grey water tank sludge
Helping a friend with her grey water tank issues. 2009 36 ft. Motorcoach The tank drains very slowly. About 4 months ago we drained the tank as best we could and then took apart the slide valve...
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Use some ingenuity to find a way to keep dirty dishwater out of the gray water tank. It's the grease and solids that cause the problems. We pre-wash in a separate pan before the final dish rinse, and then dump the pan in the toilet. Our black water tank gets a regular pressure wash, so it never has any problems.
