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
Table salt will not affect hardness. It is used to regenerate the ion exchange resins in water softeners but that is a different chemical situation. Diluted vinegar is effective if you let it sit for a long time. A solution of citric acid would be more effective.
