Thetford Campa-Fresh Free and Clear Liquid Holding Tank Treatment, 8 oz, Pack of 6

Thetford Campa-Fresh Free and Clear 6 x 8 oz is a holding tank treatment formulated to neutralize odors. The advanced-action, triple enzyme combination, accelerates waste digestion, preventing clumping, clogging and tank residue build-up. Free and Clear is a no Formaldehyde, no Borneol, Campground and Marina friendly wastewater treatment. Campa-Fresh comes in 6 x 8 oz bottles - 8 oz of Campa-Fresh treats a 40-gallon tank.