Happy Campers Extreme Cleaner for Holding Tanks

$29.45
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$29.45

EXTREME CLEANER for RV & Marine black/gray waste holding tanks:

USES:
1) Cleans poor working sensors.
2) Softens & removes solid buildup.
3) If your present tank treatment has quit working.
4) You just bought your RV & want to super clean the tanks for a fresh start.
5) A great product for an annual clean out, especially when winterizing.

Recommended for use in 30-60 gallon tanks. 100% Satisfaction Guaranteed!

Happy Campers Extreme Cleaner for Holding Tanks
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USPS Priority Shipping

EXTREME CLEANER for RV & Marine black/gray waste holding tanks:

USES:
1) Cleans poor working sensors.
2) Softens & removes solid buildup.
3) If your present tank treatment has quit working.
4) You just bought your RV & want to super clean the tanks for a fresh start.
5) A great product for an annual clean out, especially when winterizing.

Recommended for use in 30-60 gallon tanks. 100% Satisfaction Guaranteed!

Product Information

This 18oz container treats one holding tank. (Each Happy Camper Extreme Cleaner Container is 1 Treatment). This Extreme Cleaner cleans, softens, helps dissolve all types of waste, toilet tissue, crud, sludge, light corrosion & scum buildup in holding tanks. Safe & effective if used according to instructions. Industrial Strength: Highest concentrated, most active (powerful) waste tank cleaner on the market today. The Happy Camper Extreme Holding Tank Cleaner sets a new standard for RV industry, repair centers, rental companies, & full-time RVers.
The Happy Camper Extreme Holding Tank Cleaner is recommended for winterizing, annual clean out, removing persistent odors caused by chemicals or medications obstructing your tank treatment.

DIRECTIONS: Much like clothes in a washing machine, rinsing & agitation does most of the work, EXTREME CLEANER simply softens & helps dissolve sludge & crud in holding tanks. Use on-board or flexible down-the-toilet rinser for best results.

Tank Cleaning: Effectiveness requires some type of agitation (tank rinser sprayer, long curvy drive, etc.)
• 1. Dump & thoroughly rinse tank
• 2. Mix entire container into large bucket of hot water till fully dissolved
• 3. Pour into toilet (sink for gray tank)
• 4. Fill tank with clean water to ½ (completely fill if stationary)
• 5. Aggressively agitate (long curvy drive) (if stationary soak overnight minimum)
• 6. Dump & thoroughly rinse immediately upon completion agitation & rinsing is key

Note: Waste tank sensors are historically temperamental, heavy cleaning will usually (not always) help restore scum crusted sensors. Stationary units require more rinsing with less success. Will not dissolve “wipes” or fix broken or corroded probes. Not a tank treatment or deodorant, to keep odor free use Happy Campers Organic Holding Tank Treatment.

Reviews Hide Reviews Show Reviews

  • 4
    Happy Campers Extreme Holding Tank Cleaner

    Posted by Smokey on Apr 8th 2021

    I purchased this to get my sensors in the black holding tank to work but it didn't help. However the water that came out was brown whereas it had been clear prior to using this product so evidently it did clean the tank but not affect the sensorsRead More

  • 5
    Happy campers extreme cleaner

    Posted by Thomas Sinclair WWS Inc. on Nov 19th 2020

    We have tried every product you can think of to clean holding tanks and we have been trying for 20 years EXTREME is hands down is the best product we have found and I guess that's why it's been hard to getRead More

  • 5
    Happy Campers Extreme

    Posted by Phillip on Oct 29th 2020

    Absolutely positively the best tank cleaner ever made. After many other attempts to clean and deodorize my black tank HappY Campers Extreme did it in one try. I am now following up with with regular Happy Campers and have not had a single issue. My sensors actually work now too. I strongly urge you to use Extreme to get it cleaned right the first time. Read More

  • 5
    Tank Cleaner

    Posted by Hampton on Oct 29th 2020

    This is the second time I have used this product and I am very happy with it. Since I likely let too much "material" build up during the camping season, it is nice to have this product at the beginning and end of the season to do a thorough cleaning. Having a clean tank allows the Happy Camper treatment that they sell to do a great job keeping things clean. I like to use this product once a year to keep my black tank working well.Read More

  • 5
    Extreme holding tank cleaner

    Posted by Claudia on Oct 12th 2020

    I was dealing with a possible huge headache with my black tank as well as the usual issue of tank sensor problems. I used the Happy Campers Extreme product and then the regular Happy Campers. The black tank now runs clear and the sensors work! Thank you for a tremendous product!Read More

  • 5
    Extreme tank cleaner

    Posted by Craig on Jun 16th 2020

    This stuff works amazingly well if you use it according to the directions it will clean out your tanks and get them ice cream is new.Read More

  • 5
    Great For Getting Rid of Tank Orders

    Posted by Nick P on May 6th 2020

    We bought a used 2008 Diesel Pusher. Despite flushing and treating the black tank several times, there was a slight smell that we couldn't shake. Extreme tank cleaner was recommended on a Facebook Forum, so we gave it a try. We were exceptionally happy with the results, and NO MORE SMELLS. Happy Wife...Happy Camper! :-)Read More

  • 5
    Holding tank cleaner

    Posted by Myrna Burdick on May 4th 2020

    Easy to use. Does an excellent job.Read More

  • 5
    The BEST Chemical that is available, after many years trying to manage. The past 2 years have been the Absolute Best.

    Posted by A D Fretwell on Oct 15th 2019

    Excellent Read More