Camco TST RV Holding Tank Treatment breaks down waste and tissue and helps eliminate holding tank odors for up to 7 days. This 100% biodegradable formula contains no harmful formaldehyde. Original concentrated formula takes only 4 ounces to treat an entire 40-gallon tank in any season. Safe for all septic tanks.
• Eliminates odors and lubricates sensors in your RV holding tank
• Safe for all septic tanks
• RV and marine approved
• Non-formaldehyde
• 4 ounces treat 40-gallon waste holding tank
• 1 gallon bottle holds 32 treatments
Before You Order
Match the 4 oz dose to a 40 gallon tank as stated and follow product label directions.
Frequently Asked Questions
How much treats a 40 gallon tank?
The source states that 4 ounces treats a 40 gallon waste holding tank.
How many treatments are listed per gallon?
The source says the gallon bottle holds 32 treatments.




