Thetford 96590 Aquabio™ Toss-In Pack Holding Tank Treatment, 1.5 oz., 16/pk

Individual foil packets that contain powder. A Formaldehyde and Bronopal Free formula. Campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems.