Cheap Waste Tank Cleaner Rather than buy nasty and expensive chemicals for the waste tanks try using a cup of Borax detergent and 1/2 cup of Calgon Water Softener. The Borax helps control odor and the water softener prevents waste from sticking to the walls of the waste tank. – Love Your RV!

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Cheap Waste Tank Cleaner Rather than buy nasty and expensive chemicals for the waste tanks try using a cup of Borax detergent and 1/2 cup of Calgon Water Softener. The Borax helps control odor and the water softener prevents waste from sticking to the walls of the waste tank. – Love Your RV!

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