TST RV Toilet Treatment - 32 oz.
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The name TST® still guarantees the highest quality in sanitation treatmentsthat contain no formaldehyde, arenon-staining and are safe for septictanks. Eliminates odors and lubricates sensors. 100% biodegradable andenvironmentally safe. Original formula takes only 4 ounces to treat an entire 40-gallon tank in any season.