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  • VIDEO
Thetford 96527 Tank Blaster Holding Tank Cleaner - 4-Pack 1.6 oz. PouchesMerchant Video
  • Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527
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Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527

4.0 out of 5 stars 2,671 ratings
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Purchase options and add-ons

Brand Thetford
Item form Product
Scent Cherry
Specific uses for product Toilet
Material feature Natural
Item volume 45 Milliliters
Unit count 180 Grams
Surface recommendation Wall
Special feature Specifically formulated for cleaning the walls of RV holding tanks
Number of Items 4

About this item

  • The first 2-in-1 tank cleaner specifically formulated for black/gray water and portable tanks
  • Cleans overnight - then just dump and go
  • Micro-foam action improves surface contact to vertical tank walls
  • Active enzymatic blend blasts crud and attacks tissue, waste, and grease
  • Formulated safe for RV/Marine tanks, plumbing, seals and surfaces

Frequently bought together

Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Th
This item: Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527
$26.04($14.47/100 g)
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Important information

Ingredients

Thetford Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527,White

Legal Disclaimer

Warning: Product may contain materials cautioned by California Proposition 65

Top Brand: Thetford

Highly Rated
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From the manufacturer

Thetford Tank Blaster Holding Tank Cleaner

  • Cleans Overnight - then just dump and go
  • Micro-Foam Action improves surface contact to vertical tank walls
  • Active enzymatic blend blasts crud and attacks tissue, waste, and grease
  • Special additives tackle hard water deposits on sensors
  • Unique dual-action formula: Cleaners lift deposits from tank walls. New, super-concentrated enzymes actively attack and break down loosened deposits
  • Formulated safe for RV/Marine tanks, plumbing, seals and surfaces

About Us

As the manufacturer of mobile sanitation products for the RV, marine, camping and truck markets, Thetford Corporation makes mobile living a more pleasant experience. Thetford products include complete lineups of:

  • Lightweight, low-water-use toilets permanently mounted in RVs, boats or trucks
  • Hand-carried, fresh-water-flush, self-contained portable toilets that have a multitude of uses
  • Specially-formulated waste holding tank deodorants and treatments used with these toilets
  • Innovative, multi-capacity tote tanks
  • Other products that make mobile living more convenient, quicker, cleaner and easier

Product description

Thetford Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527,White

Product information

Technical Details

Manufacturer ‎Thetford
Place of Business ‎LINO LAKES, MN, 55038 US
Brand ‎Thetford
Model ‎96527
Product Dimensions ‎21.59 x 19.05 x 2.54 cm; 181.44 g
Item model number ‎96527
Batteries ‎1 Unknown batteries required.
Exterior ‎Black
Manufacturer part number ‎96527
Special features ‎Specifically formulated for cleaning the walls of RV holding tanks
Item Weight ‎181 g
Country of origin ‎USA

Additional Information

ASIN B07D3XYRG5
Customer Reviews
4.0 out of 5 stars 2,671 ratings

4.0 out of 5 stars
鶹 Rank
Date First Available March 13 2018

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Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527

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This Item
Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527
Tank Blaster - Level Sensor Cleaner - Black & Grey Waste Water Holding Tanks & Portable Tanks Cleaner - 4 x 1.6 oz Packets Thetford - 96527
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Price$26.04-20%$23.96
Was: $29.95		$48.45$46.59
Price Per Unit$14.47 / 100 g$2.53 / 100 ml$9.44 / 100 g$4.92 / 100 ml
Delivery
—
Get it by Friday, Jul 25
Get it by Friday, Jul 25
Get it by Friday, Jul 25
Customer ratings
4.04.0 out of 5 stars2,671
4.54.5 out of 5 stars810
4.64.6 out of 5 stars13,611
4.64.6 out of 5 stars8,173
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Customer reviews

4 out of 5 stars
2,671 global ratings

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Customers say

Customers like the cleaning performance of the product. They mention it's a tank cleaner. However, some customers have reported that the product is a waste of money. Opinions are mixed on its effectiveness and sensor cleaning.

Select to learn more

Cleaning performanceEffectivenessSensor cleaningWaste of money
6 customers mention "Cleaning performance"6 positive0 negative

Customers are satisfied with the cleaning performance of the product. They mention it's a tank cleaner.

"This is an excellent product for your rv black tank to keep tank clean. Highly recommend." Read more

"We use it at the end of the season and it cleans tank perfectly. Sensors are cleaned." Read more

"...I have been using as a once a month cleaner since May. Our tank is finally the cleanest since we purchased our trailer(used)." Read more

"...The tank cleaner did an excellent job. The sensors are working fine now." Read more

35 customers mention "Effectiveness"20 positive15 negative

Customers have mixed opinions about the effectiveness of the product. Some mention it works great, while others say it doesn't work at all.

"Great product" Read more

"...tank and when draining the water was clean not a lot of gunk so did not work for me, it was sudsy and smelt good but that was it" Read more

"...Drained the tank and final the sensor read empty. Worked great!" Read more

"Didn't work" Read more

11 customers mention "Sensor cleaning"5 positive6 negative

Customers have mixed opinions about the sensor cleaning agent. Some mention it cleared their sensors, while others say it didn't help with dirty sensors and the tank level monitor was even less reliable after using it.

"Followed the directions to a T. Tank level sensors still reading incorrectly (1 at full, 1 at 2/3), for it it was a waste of time and money." Read more

"...Sensor immediately showed EMPTY. This stuff works fir me. I will probably use the four packets each season to keep the sensors clean and accurate." Read more

"...full tank, drove to the camp site 200+ kms, and yet the sensors are still showing empty...." Read more

"...The sensor still reads full, alas I’ll keep trying and see if there is anything that does blast it." Read more

7 customers mention "Waste of money"0 positive7 negative

Customers say the product is a waste of money. They mention it's a very little product for the price, and it doesn't work for cleaning sensors.

"Waste of money. Double dosed both tanks with this stuff, filled em up and let them sit for 24 hours...." Read more

"...reading incorrectly (1 at full, 1 at 2/3), for it it was a waste of time and money." Read more

"1 packet 5gallons hot water. One hot day. The dirty deed done dirt cheap." Read more

"Very little product for the price. If it works is yet to be seen but I am really thinking I wasted my money...." Read more

Top reviews from Canada

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  • michelleZ
    5.0 out of 5 stars Great product
    Reviewed in Canada on July 19, 2025
    Verified Purchase
    Great product
    Helpful
     Report
  • kathy ns
    5.0 out of 5 stars Awesome product.
    Reviewed in Canada on June 15, 2025
    Verified Purchase
    This product done exactly what it was meant to do.
    One person found this helpful
    Helpful
     Report
  • Nicole Huberdeau
    4.0 out of 5 stars Traitement efficace !
    Reviewed in Canada on June 28, 2025
    Verified Purchase
    Bon produit. Pour de meilleurs résultats il faut faire quelques fois par saison et laisser reposer dans les réservoirs avant de vider.
    Helpful
     Report
  • Shawn YEG
    5.0 out of 5 stars It worked after first use
    Reviewed in Canada on May 31, 2023
    Verified Purchase
    The grey and black water tank sensors in my RV were never accurate after the first year. Especially the black holding tank (toilet). Sensor always read 2/3 full after dumping, and rinsing. I knew the tank was empty but it bothered me that something obviously was stuck on the sensors and therefore the tank wasn’t as clean as I wanted. I followed the directions for this product, added one packet down the toilet and then filled the holding tank to the top with clean water. I drove about 2 hours to home from the campground with this treatment in the tank . Parked at home and let sit overnight about 12 hours. Next morning I drive to RV dump station and dumped the black water tank. Sensor immediately showed EMPTY. This stuff works fir me. I will probably use the four packets each season to keep the sensors clean and accurate.
    10 people found this helpful
    Helpful
     Report
  • JJ
    3.0 out of 5 stars Didn't work for me.
    Reviewed in Canada on October 26, 2023
    Verified Purchase
    Used twice as directed following instructions and didn't work for me. A friend used the same thing and worked fine.
    One person found this helpful
    Helpful
     Report
  • Rod
    1.0 out of 5 stars Did not work as advertised
    Reviewed in Canada on August 13, 2024
    Verified Purchase
    Followed the directions to a T. Tank level sensors still reading incorrectly (1 at full, 1 at 2/3), for it it was a waste of time and money.
    Helpful
     Report
  • MichelCormier
    5.0 out of 5 stars Nettoie parfaitement le réservoir d’eau noir et ses senseurs de niveau.
    Reviewed in Canada on October 18, 2024
    Verified Purchase
    J’ai suivi les instructions pour déboucher un réservoir d’eau noir qui était bloqué. En laissant reposer pendant 72 heures, les solides se sont dissous. Je le ferai avec les réservoirs d’eau grise.
    Helpful
     Report
  • Peavyjay
    2.0 out of 5 stars Not great
    Reviewed in Canada on July 4, 2025
    Verified Purchase
    I've tried this product twice and didn't seem to do anything. Sensors still don't work.
    Helpful
     Report

Top reviews from other countries

  • Kindle Customer Sandra Riley
    5.0 out of 5 stars So far no smell
    Reviewed in the United Kingdom on October 11, 2024
    Verified Purchase
    Needed something for a build up of gasses in boat holding tank. So far this is the best. We will see as the tank gets used as to how effective they are. We used 2 to start as it’s a big boat.
    Report
  • Joseph
    5.0 out of 5 stars Kept tanks cleanish and sensors working
    Reviewed in the United States on June 29, 2025
    Verified Purchase
    Why did you pick this product vs others?:
    Kept the sensors of my tank clean with regular use. Used in black water tank and grey tank.
    Report
  • John Paterson
    5.0 out of 5 stars Grey waste tank cleaner
    Reviewed in the United Kingdom on April 6, 2025
    Verified Purchase
    The tank was a bit smelly. Nice and fresh now. Good job!
    Report
  • Bob Prepper
    5.0 out of 5 stars A Game-Changer for RV Maintenance
    Reviewed in the United States on March 13, 2024
    Verified Purchase
    After several months of using the Thetford Tank Blaster, I feel compelled to share my experience with this outstanding product. Having owned my RV for a few years, dealing with tank maintenance has always been a task I'd rather avoid. However, the Thetford Tank Blaster has completely changed my perspective on this chore.

    Features:

    - Easy to Use: The instructions are straightforward. Simply drop a pod into the tank, add water, and let it do its magic. It's that easy.
    - Powerful Cleaning Action: The Tank Blaster boasts an impressive cleaning formula that effectively breaks down waste and paper, leaving the tank clean and odor-free.
    - Safe for Tanks: It's designed to be safe for both grey and black water tanks, which was a major selling point for me. Knowing that it won't damage my tank's sensors or seals gives me peace of mind.

    Performance:

    From the very first use, I noticed a significant difference in both the cleanliness of the tank and the reduction of unpleasant odors. The Thetford Tank Blaster works remarkably well, tackling even the most stubborn waste and residues. The cleaning process is now much less of a hassle, and I've noticed that my tank sensors are giving more accurate readings since I started using this product.

    Value for Money:

    Considering the ease of use, effectiveness, and the amount of product you get for the price, I believe the Thetford Tank Blaster offers excellent value for money. It's competitively priced, especially when you factor in the cost savings from preventing potential tank issues and the peace of mind it provides.

    Overall:

    The Thetford Tank Blaster has been a game-changer for my RV maintenance routine. It's incredibly effective, easy to use, and reasonably priced. For anyone looking to simplify their tank cleaning process and maintain their RV's plumbing system efficiently, I highly recommend this product. It has exceeded my expectations and has earned a permanent spot in my RV maintenance kit.
    Report
  • Mellybear
    5.0 out of 5 stars Glad we found these
    Reviewed in the United Kingdom on October 18, 2024
    Verified Purchase
    After many years of looking for the right product, these are perfect to ensure the great waste tank is kept as clean and smelling as fresh as possible
    Report