gserveExplorerJun 12, 2013Liquid fabric softener and black/gray tank smellHow much do I use in each tank and what brand?
brireneExplorerJun 12, 2013Charles Bruni's Geo Method is what you're referring to, I think. It works well with Calgon water softener.
Related ContentLiquid Springsgray or blackWinterizing black and gray tanksGray water to black tank?Liquid rubber
