Thetford Aqua-KEM Powder Fresh Toss-Ins RV Holding Tank Treatment-Deodorant/Waste Digester/Detergent-Pack of 8-94059, 8 Pack [UTILITY]: Aqua-Kem Powder Fresh Toss-Ins RV holding tank deodorant are water-soluble packets that break down fast to deliver great deodorizing power [CONVENIENCE]: Toss-Ins comes in an easy-to-store foil zipper bag containing 8 - 1.5oz individual deodorizer packets, ready to dispense [UTILITY]: The 100% biodegradable formula works around the clock, in all weather conditions, to eliminate the odors from RV waste holding tanks or septic tanks [VERSATILITY]: The 3-in-1 formula, containing a powerful deodorizer, a waste digester, and a detergent, keeps odors under control, breaks down and liquefies waste and keeps the tank and drain lines clean