The name TST® still guarantees the highest quality in sanitation treatments that contain no formaldehyde, are non-staining and are safe for septic tanks. Eliminates odors and lubricates sensors. 100% biodegradable and environmentally safe. Original formula takes only 4 ounces to treat an entire 40-gallon tank in any season.
For over 40 years RVers have trusted the odor-stopping power of TST¨.
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