Description
Advanced natural black tank treatment with a combination of beneficial bacteria and digestive enzymes designed to liquefy waste and control odors. The powerful formula starts working instantly to break down waste, eliminate odors, and liquefy toilet paper—without the use of harsh chemicals. Bio-Fresh® is safe for septic systems and campground approved. Continued use keeps your black tank sensors clean and your plumbing system running smoothly.
Black Tank: Add 4oz for up to 40 gallons. Add adequate water-1.25 gallons for every 10 gallons of tank capacity.
Grey Tank: Add 2-4oz of Bio-Fresh down the sink drain and follow with 5 seconds of water.
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