Manufacturer | RV Concepts |
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Place of Business | KAGITHANE, ISTANBUL 34400, TR |
Item model number | HC-18-oz |
Product Dimensions | 8.89 x 10.8 x 11.43 cm; 512.56 g |
ASIN | B005XEFADU |
One-time purchase
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Happy Campers RV Toilet Treatment - 18 Black or Gray Holding Tank Deodorizer Treatments for RVs
Purchase options and add-ons
Brand | HAPPY CAMPERS |
Item form | Granule |
Scent | Unscented |
Specific uses for product | Toilet |
Material feature | Fragrance Free |
Item volume | 1 Gallons |
Unit count | 513.0 Grams |
Surface recommendation | Stone |
Material type free | Formaldehyde Free |
Special feature | Concentrated |
About this item
- Not for Sale or Shipping to California.
- ODOR FREE: absolutely no sewer smell
- EFFECTIVE: in extreme hot and cold temperatures (over 100Deg F)
- LIQUIFY: waste solids and most ordinary household tissue (no expensive special tissue needed)
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Natural minerals
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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.
From the brand

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Inspired by the beauty of nature and the freedom of the open road, Happy Campers Holding Tank Treatment was born. We set out on a mission to revolutionize the way RV'ers experience waste management, creating a product that not only eliminates odors but also promotes a healthier and more sustainable lifestyle.
Join the Happy Campers family and connect with fellow RV enthusiasts who share your passion for adventure.
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Product Description
Happy Campers RV Toilet Treatment - Black Tank or Gray Tank Treatments

Introducing Happy Campers Holding Tank Treatment – the ultimate solution for an odor-free RV experience! Our advanced formula is designed to tackle the toughest waste and odor challenges in your RV or marine holding tanks, ensuring a pleasant. Invest in the best for your RV or marine adventures – choose Happy Campers Holding Tank Treatment for a refreshing, efficient, and hassle-free experience on the road or water. Travel with confidence, knowing that your sanitation system is in good hands!
Happy Campers RV toilet treatment is a highly concentrated and water-activated monohydrate blend of minerals and micronutrients that eliminates bad odor. Just 1 scoop of Happy Camper holding tank deodorizer treatment will treat and eliminate odors up to a 40-gallon holding tank.
The Happy Camper holding tank deodorizer treatment is not an enzyme-based treatment. Happy Campers RV toilet treatment starts working immediately to kill odor completely while promoting the growth of 'good bacteria' in both black and gray water holding tanks. Unlike enzyme tank treatments, you do not need to regularly add more to keep it working.
The Happy Camper holding tank deodorizer treatment is not affected by extreme hot or cold temperatures and is completely safe for RV plumbing and home septic systems.
*Happy Campers should always be used with plenty of water and should be fully suspended in water before adding to sinks and toilets.
Product information
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Additional Information
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Product details
- Is discontinued by manufacturer : No
- Product Dimensions : 8.89 x 10.8 x 11.43 cm; 512.56 g
- Date First Available : Oct. 26 2015
- Manufacturer : RV Concepts
- Place of Business : KAGITHANE, ISTANBUL 34400, TR
- ASIN : B005XEFADU
- Item model number : HC-18-oz
- 鶹 Rank: #200 in Automotive (See Top 100 in Automotive)
- Customer Reviews:
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Customer reviews
Customers say
Customers like the effectiveness, odor removal, and ease of use of the cleaning agent. They mention it works amazing, makes cleanup a snap, and is compact.
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Customers are satisfied with the effectiveness of the product. They mention it works amazing and is a great product.
"Great product" Read more
"Works great and quickly." Read more
"Not much to critique... It works as advertised" Read more
"Excellent product!" Read more
Customers are satisfied with the odor removal of the product. They mention it last year and no more smell.
"...I put some of this in and it was instantly gone... Like no smell at all. Truly fantastic stuff...." Read more
"This product is amazing no smell what so ever wish I had tried it years ago" Read more
"...We put a scoop in tank and the smell was gone. Now we use it every time tank is emptied no more odour" Read more
"...After the first treatment there was absolutely NO ODOR...." Read more
Customers find the product easy to use. They mention it makes cleanup a snap, no mess, and pleasant to deal with. Customers also say it will clean the sensors and tank sprayer.
"Easy to use, no mess and works with the very first use Fast shipping Will buy again" Read more
"...Works very well. No odour, easy to use! Highly recommend." Read more
"...Great deodorizer very happy." Read more
"...No smells and black tank flush’s out clean" Read more
Customers like the compact size of the product. They mention it's small, easy to store, and works as described.
"...Pros Small package, easy to store, powder form, less expensive, works well to eliminate odors. Cons..." Read more
"Purchase for our RV, EASY TO USE WORKS AS DECRIBED AND SMALL COMPACT TO PUT AWAY ." Read more
"Used this product in grey and black tank of our small trailer. Easy to store and use. Great results." Read more
"Small but mighty!..." Read more
Top reviews from Canada
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- Reviewed in Canada on July 2, 2023Verified PurchaseOh the pungent smells of summer heat and black and grey water RV tanks! Being a person who very cautious of society and the over glamourizing of consumerism and false advertising, I first attempted to try numerous DIY recipes to solve our stinky issue. To no avail! When they didn't work, we even purchased a few other different tank deodorizing products. Unfortunately they did not work either and no amount of money spent on different kinds of air fresheners or incense could hide the less than inviting smells of our camper. After doing some research, I kept reading on different RV sites, how "Happy Camper" was the all, to solve the smelly problems we had been struggling with our new to us RV. I decided it was time to give it a try, I jumped on 鶹 and ordered the smallest container I could find. so I could see what all the hype was about before committing to putting out what I considered alot of money to buy the larger size- just in case it wasn't what everyone was raving about. Two days later it was delivered to our home ...I couldn't wait to try it. The heavens opened up and the angels began to sing lol .....O-M-G!!!!...I cannot say this enough-.This stuff is truly AMAZING!!! My only advice - skip the small container and get the larger size to save money. I am honestly in awee with how well and fast it works. It's only a tiny scoop that solved the smelly issue almost immediately. Works for days in the hot, humid summer heat.....100% RECOMMEND IT!!! Save yourself the money and frustration of trying different options that don't work and go straight to the one that does!!!! "Happy Camper" is everything they say it is!!!
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Reviewed in Canada on May 17, 2025Verified PurchaseBon produit jamais d’odeur dans mon vr
- Reviewed in Canada on December 8, 2024Verified PurchaseGreat product
- Reviewed in Canada on June 5, 2025Verified PurchaseBest I have ever used in our black water tank. Never a smell issue and you only use one or two scoops.
- Reviewed in Canada on October 4, 2024Verified PurchaseWe use this for the first time in our little camper and it was great for taking away the smell in the toilet. Great deodorizer very happy.
- Reviewed in Canada on October 23, 2024Verified PurchaseWe use this in the black tank and the grey tank. ELIMINATES odours.
Completely liquifies all the black tank contents. No smell in the trailer anymore.
We've tried many other products in our 20+ yrs of camping and this product has worked
the best of them all. We won't use anything else now.
- Reviewed in Canada on July 20, 2022Verified PurchaseI bought this product to replace another enzyme product that I had been using but was suddenly no longer available.
I bought is basically because it had such good reviews.
I have to say that I am happy with it.
Our summer has not been very hot so far, but I have not noticed any smell coming from the holding tanks.
The only reason I deducted a star on the ease of use is because it can be a bit finnicky to get it all dissolved. I have a 1 gallon bucket that I use to mix it up in before I pour it down the toilet. I found that using warm water helps but often I would still have some residual powder left in the bucket. but that is really not much of a problem.
The big thing for me is the fact that it works so well. No horrible over powering perfume scent and no bad holding tank smell.
I like it.
I am indeed a Happy Camper.
- Reviewed in Canada on June 8, 2025Verified PurchaseThis stuff works like no other
Top reviews from other countries
- Carl-Darren MarxReviewed in the United Kingdom on December 19, 2023
5.0 out of 5 stars Does what it says on the label
Verified PurchaseI live in an American RV in the UK. I previously used different options for the black tank. There was always a lingering smell, especially when it got hot in the summer. I was recommended this product by another RV'r, and I must admit it is very good. There is zero smell, and being organic, I can use it in the RV park, which doesn't allow chemicals. Very happy to recommend this. Yes it is expensive but it is shipped from the USA
- MattReviewed in the United States on July 17, 2025
5.0 out of 5 stars Believe the Hype
Verified PurchaseI’ve been hesitant to order this tank treatment, because so many others promise results and fail to deliver. It’s more expensive than most, but let me say, it’s worth EVERY PENNY. We’ve tried all the brands you can get from Walmart, 鶹, etc. This is the first black tank treatment that literally neutralizes the odor completely. I don’t know how it works and the process requires a little more effort, but we can finally flush our toilet and not have to smell that ol sewer stank. I will be buying the bigger size when this runs out. FYI, we are camping in Florida with heat indexes over 100°F, every day. Just buy it, it works!!
- R. LeeReviewed in the United States on July 2, 2025
5.0 out of 5 stars The best I've tried.
Verified PurchaseI don't leave a lot of reviews, but I thought I needed to for this product. This is the best black and grey tank treatment that I've tried yet. I live in a small RV, fulltime, on the river. Most tank treatments only controlled the smell for a few days after treatment and even less in the heat of the summer. This stuff goes the distance. I have to dump my small tank about every 7-10 days, and this product was the only one I tried that would last until dump day. It's made my life substantially easier and more comfortable. The price is worth it.
- DantouineReviewed in the United Kingdom on July 8, 2023
5.0 out of 5 stars It really works!
Verified PurchaseI had heard about 'Happy Campers' when I was visiting some friends in Florida who had their own RV (apparently this stuff is legendary round US Campsites). I myself have a boat with a black waste holding tank, which has a tendency to emit some nasty smells whenever flushing or otherwise agitating the tank.
The instructions are precise and following them, you wont go wrong (only niggle is its all in US Gallons, but this is an imported thing), just put one scoop in a toilet filled with water, and flush. My tank is around 250L, so around two large scoops with two full bowls of water should be enough. After using just one treatment, I've already noticed a huge difference - so far absolutely no odours! I'm shocked!! So much better than the Blue stuff that people use. As the package says, it doesn't mask odour, it eliminates odour.
We are due a pump-out of the tank in a month, so will update so far as how it dissolves toilet paper and other material.
Disclaimer:While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read and follow labels, warnings, and directions before using or consuming a product. This product may not be right for you. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. 鶹.ca assumes no liability for inaccuracies or misstatements about products.