When black tank sensors give false readings or stubborn odours persist, residual waste buildup is often the culprit. This super-concentrated formula harnesses natural enzymes to penetrate tank walls and sensor surfaces, breaking down the paper and waste that accumulate over time.

Apply every three months to maintain optimal tank function and sensor accuracy. The enzyme-based system is septic-safe and formaldehyde-free.

• Biological enzyme formula
• 32-ounce jug treats up to 50 gallons
• Removes sensor buildup and odours
• Formaldehyde-free and biocide-free
• Septic tank safe
• Zinc and copper free
• California compliant
• Unscented