GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 96919 AquaMax Holding Tank Treatment - 32oz - Spring Shower Scent AquaMax Holding Tank Treatment?s advanced enzyme-powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging, and tank residue, all at the same time. Thetford?s beneficial probiotic treatments are Bronopol and Formaldehyde free. Features: Enzyme-based holding tank treatment Breaks down waste and eliminates offensive odors Bottles with child-resistant caps Available in a one-gallon jug, 64-oz. bottle, 32-oz. bottle, and 6 pack of 8-oz. bottles Easy dosing system: 8-oz of AquaMAX treats a 40-gallon holding tank Formaldehyde free Bronopol free Neutralizes odor Breaks down waste to prevent clumping, clogging, and tank residue Enzymes optimized for MAX performance Beneficial probiotics; good bacteria Septic system safe Campground and marina friendly Compliant with all current regulations Available as a liquid, dry granule or Toss-Ins GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.