The Thetford AquaMax is an advanced enzyme-powered holding tank treatment safe for use in your RV or marine toilets, waste holding tanks, and septic systems. Triple enzyme blend removes odors and speeds up waste breakdown to prevent clogging or residue buildup.. Features Neutralizes odors and dissolves waste quickly to avoid clumping, clogging, and tank residue; Tested safe for RV or marine use, holding tanks, and septic systems; Beneficial probiotic treatment; Bronopol-free and formaldehyde-free; Campground & marina-friendly; Complies with all current regulation; Specifications Capacity: 64 oz; Scent: Spring Shower; Country of Origin: USA; Condition.New Warranty.30 Day Warranty Packaging.Retail.