This Camco TST (TM) Waste Holding Tank Treatment with original scent deodorant treats 40 gallon holding tank. It comes in Drop-INS(TM) individual does pouches and is sold in set of 15.

For over 40 years RVers have trusted the odor-stopping power of TST™. The name TST™ still guarantees the highest quality in sanitation treatments that contain no formaldehyde, are non-staining and are safe for septic tanks. 100 Percent biodegradable and environmentally safe Handy And Convenient Individual Dose Pouches Come In An Easy-To-Use Resealable BagOne Pouch Treats An Entire TankDissolves Instantly, Eliminates Odors On ContactStops Odors Up To 7 DaysNo Harmful Formaldehyde100 Percent Biodegradable

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