Fresh Water Tank Sanitizer

Cleans and sanitizes the freshwater tank of RVs and Marine

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Thetford® Fresh Water Tank Sanitizer

2-part system: clean fresh water holding tank with detergent, then sanitize
Works even in hard water
Will not leave grit or soap scum
Safe for RVs, campers, boats, or even at home
EPA-registered, not a drinking water additive

Frequently Asked Questions

: Clean toilet with Aqua Clean® or Aqua-Foam™. Add Toilet Seal Lubricant and antifreeze to the toilet bowl. Clean black and grey water tanks with Tank Blaster®. Add holding tank treatment, Drain Valve Lubricant, and antifreeze if freezing is possible, to each tank. Sanitize the fresh water tank with Fresh Water Tank Sanitizer.