This Camco TST (TM) Waste Holding Tank Treatment with lavender 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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