Posted 3/28/2017 14:36 (#5928319 - in reply to #5928298) Subject: RE: Rust stains in commode
Nevada, Iowa
I don't have softened water in the shop and our water is hard and mildly rusty. The shop toilet will have rust stains in a month or less. I use a product called The Works, it probably doesn't do the septic tank any good but it will dissolve calcium and rust deposits very quickly.
Rust stains in commode
