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 Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Breaks down waste to prevent clumping clogging and tank residue.