16-pack Toss-In AquaBio™, a new twist on holding tank treatments, offers today's RVers a Formaldehyde- and Bronopal-Free formula. Thetford's next generation of holding tank solutions is campground friendly and complies with California regulations. Water-soluble packets that are easy to use: Simply toss 'em in the toilet and flush!

The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals.