Forum Discussion
Johnny_G1
Mar 28, 2016Explorer
Leave both closed and open black only to dump and then back flush black tank with a bit of grey water, do this 2-3 times and the black tank will be a lot cleaner, Trust me we have tried it all and my method works the best for me, you can leave a lot of stuff in the black tank other wise that you won't get out. Just my thought's.
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