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Valterra Pure Power Blue is a concentrated holding-tank treatment that breaks down waste and controls odor in both black and gray tanks. It's formaldehyde-free, so it won't harm the bacteria in septic systems or campground treatment facilities.
Just 2 oz. treats up to a 40-gallon tank, so this 4 oz. bottle covers a couple of treatments before you need a refill.
Add the dose directly into the tank through the toilet or a dedicated treatment port after each dump for ongoing odor control.
