Make the best out of every camping trip with Thetford&';s AquaMAXA(R) RV and Marine holding tank treatment. Designed to neutralize odors our triple enzyme formula AquaMAXA(R) Spring Showers 32-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 AquaMAXA(R) Spring Showers 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 AquaMAXA(R) is compliant with all regulations. Easy to store AquaMAXA(R) Spring Showers comes in an easy to recognize white and blue 32-oz bottle with child resistant bottle caps designed to keep you and your family safe.