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djgodden's avatar
djgodden
Explorer
Jun 16, 2017

Easy Backflushing to Clear a Clogged Black Tank

I occasionally experience a blockage of my black tank when draining. We use "normal" house toilet paper for a myriad of reasons. Yes, I know it's not recommended. But I found a quick and easy way to...
Old-Biscuit's avatar
Old-Biscuit
Explorer III
Jun 17, 2017
My 5vr black tank, grey tank and galley tank drains ALL come out the side of tanks.
Connect to a common drain header that then makes a 90* turn runs 4' and makes another 90* turn before reaching end cap.

Never had a blockage issue.
Black tank and drain header are 3"....if any problem it should be with the 1 1/2" grey drains.

Water to stuff ratio.........high volume/weight-----WHOOSH

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