TST Holding Tank Chemical - 1 Gallon 4 pack

Original formula takes only 4 ounces to treat an entire 40-gallon tank in any season. Also available in an easy-to-use bottle with a convenient built-in reservoir for measuring. Eliminates odors and lubricates sensors. 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
• 1 gallon bottle
• 4 ounces treats 40 gallon waste holding tank