A couple of years ago I came across the “geo method” for keeping your tanks clean. It involved occasionally adding Calgon water softener, bleach and laundry detergent to your black tank. For the gray you use just the Calgon and bleach (plenty of soap already in the gray water). This always made sense to me and would appear not to be harmful as they are just laundry additives. It seemed to work well for me but now my supply of Calgon water softener is gone and I can’t find it or any other brand. I’ve searched grocery stores in both the US and Canada with no luck.
Anyone have any suggestions for an alternative?
Bob
Anyone have any suggestions for an alternative?
Bob
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