Table Salt in Gray and Black Tanks?????
We are currently staying in a very hard water area. We DO NOT use our Fresh water tank but last year our gray and black tanks got a hard water residue on them and would not register correctly. I go...
Forum Discussion
Has anyone used a product like TSP to keep the hard water our or to clean the gray and the black tanks? I was wondering if you used TSP and filled the tanks half way on our way home, would it keep them cleaned
