Commando RV Black Holding Tank and Sensor Cleaner, 32 oz. Liquid

Deep Clean Your Tank & Restore Sensor Accuracy-Fast. When your black tank sensors stop reading correctly or you’re dealing with lingering odors, it’s time to call in Commando®. This super-concentrated, enzyme-powered cleaner is formulated to tackle the toughest buildup on tank walls and sensors—no scrubbing required. Formaldehyde-free, biocide-free, and septic-safe. Just add one dose into your RV toilet, fill the tank with water, and let it sit. In as little as 12 to 24 hours, Commando® breaks down residual waste and paper, restores sensor function, and leaves your tank clean, lubricated.