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Formaldehyde-based tank treatments mask odor by essentially embalming waste, which slows down breakdown rather than helping it along. Star Brite's Odor Away uses a nitrate formula instead, aimed at reducing odor while actually supporting the natural decomposition of waste in the tank.
It's fragrance-free and formaldehyde-free, which matters in low-ventilation setups like portable toilets where a heavy perfume can be as unpleasant as the odor it's covering. It works across tank sizes, from a portable toilet cassette up to a full-size RV black tank.
Because it contains no added fragrance, use care during handling as the concentrate can irritate skin and eyes.
