Thetford Fresh Water Tank Sanitizer

Catalog Item # 33229

Chlorine-free with no bleach smell or taste.



Rid your RV water system of harmful bacteria that can make you sick. All-in-one kit includes a 24 oz. bottle of detergent solution and a 24 oz. bottle of sanitizer that cleans and sanitizes your RV holding tank and lines. Effective against staph, E.coli, Y. enterocolitica and listeria, all of which can cause serious illness.

  • Easy-to-Use, 2-Part System
    Step 1: Clean tank with detergent and rinse
    Step 2: Sanitize tank with sanitizer
  • Chemically-balanced sanitizer – even when diluted in hard water
  • Will not leave a grit or soap scum
  • Not a drinking water additive

    Below is a video showing a few of the features and uses for this item.

  • Technical Specifications

    3.4 lbs.

    Camper's Choice Rating

    Reviewer rating of 4 stars based on 9 reviews (4 Based on 9 Reviews)

    Add A Review

    Fresh Water Tank and hoses

    by Bobby McAvoy – May 08, 2008
    5 out of 5 stars

    What I normally do in the early spring is put chlorine bleach into the inlet of the tank. Then lots of fresh water. I then turn

    BE AWARE WHEN USING THESE PRODUCTS

    by LMD, NEW MEXICO – July 23, 2012
    3 out of 5 stars

    I used this product(s) this weekend as directed by their instructions as my water tank had sat over a year without being drain

    All Clean

    by Dennis Scarfile – July 06, 2007
    4 out of 5 stars

    Maybe.... After following directions for Sanitizing my holding tank, I wondered how I could sanitize my hoses too. It would be ni

    The Taste !

    by Rodger Green – July 16, 2006
    3 out of 5 stars

    It seems that it works Ok, But, there was still a little taste of old water in the system, But besides that it worked Ok.

    Much Better Than Bleach!

    by JAL – May 11, 2009
    5 out of 5 stars

    There are two things I can't stand in my RV's fresh water system: Bacteria and bleach! This product effectively takes care of bot

    3 boxes of this product is needed for a 250 gallon tank.

    1 ounce of detergent/sanitizer per 4 gallons. 250 gallons will require 62.5 ounces, and this product is bottled in 24 ounces.
    by Camping World – June 30, 2015

    No, item# 33229 is advanced cleaning system and not an additive for a tank of fresh water. Item# 18634 or item# 18550 are suggested if looking for a fresh water additive.
    by Camping World – June 16, 2015
    I would like to pick it up in person!!! Thank you for your time. PS. If you do not carry this product anymore I am willing to look at it any type of fresh water tank sanitizer for my trailer.
    This item is normally stocked at all of our store locations. Use find a store and call for availability.
    by Camping World – October 02, 2015

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