Thetford AquaMax Holding Tank Treatment 16 Toss Ins Spring Shower Scent Wrapped Canvas Wall art living room, Dogwood blossoms, Wall decor. AquaMax Holding Tank Treatment 16 Toss Ins Spring Shower Scent AquaMax Holding Tank Treatments advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging, and tank residue, all at the same time. Thetfords 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 This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.