Make the best out of every camping trip with Thetford’s Campa-Fresh® RV and Marine holding tank treatment. Designed to neutralize odors, our triple enzyme formula Campa-Fresh® Ocean Breeze 6 x 8-oz liquid ensures efficient waste digestion while preventing clumping, clogging, and tank residue buildup.Formaldehyde and Bronopol Free, our RV toilet chemical is safe for marinas, campgrounds, and septic systems, meeting California compliance standards.Works with RV/ Marine holding tanks and is easy to use: just pour the liquid directly into the toilet and flush – 8 oz of Campa-Fresh® Ocean Breeze effectively treats a 40-gallon holding tank. Please note that it takes a bit of time for the bacteria and probiotics to start working.Formulated with beneficial probiotics and bacteria, Campa-Fresh® is compliant with all regulations.Easy to store, Campa-Fresh® Ocean Breeze comes in an easy to recognize white and blue box and contains 6 doses of black holding tank treatment.