For over 40 years, RVers have trusted the odour-stopping power of Camco TST Blue Enzyme RV Holding Tank Treatment. The name still guarantees the highest quality in sanitation treatments that contain no formaldehyde, are non-staining and are safe for septic tanks

• Contains a new bacterial/enzyme complex that will digest waste, tissue, fats and proteins and only activates in the presence of material requiring digestion
• Contains a buffer system to prevent acid formation as well as septic odours and has a delightful Pure Rain fragrance
• Unlike normal enzymes, this new chemistry provides a stable product with a long shelf-life that is not temperature sensitive - effective and safe for use any time of year
• One Step solution requires no mixing, measuring or preparation
• For RV and marine use; also safe for use with septic system cottages
• Cleans holding tank surfaces and probes while TST is in use
• 100% biodegradable and environmentally safe
• Ultra concentrated - each 4-ounce (118-mL) bottle will treat up to a 40-gallon (151 L) tank
• Non-staining and safe for septic tanks
• Includes eight 4 oz (118 mL) bottles
• This formula does not contain formaldehyde