Happy Campers RV Toilet Treatment 18 - Extra Strength Odor Eliminator for Black and Gray Holding Tanks

This is a 5 star product. Just add each time you drain the black water tank and no problems. No funky smells ever. No perfume or chemical smell.Just ALWAYS cover your toilet donut with approximately 2 inches of water.

We have tried several different products and like the Happy Camper the best. We no longer have black tank odors like we have had with so many other products when staying at one place for several weeks. The only thing is that when driving, there is a smell due to sloshing of the "stuff" in the tank, but the odor id gone an hour or so after we stop. Even with that, this is the best we have found for when we are parked! Just ordered a second jar and will continue to use this as our primary black tank treatment.

Good stuff for the camper. Keeps the stink to a minimum.

This works better on odors than anything we have used. I put in one scoop each week (and then dumped at the end of the weekend) and it worked great.

Initially i bought happy campers treatment to be used for my thetford porta potti 365. i only use the porta potti for no. 1 and only needed to be emptied around once a week.previously i use walex porta pak so i tried switching to happy campers treatment because everybody was singing praises about this product but unfortunately for me, happy campers treatment is unable to cover the odor because i could always smell urine whenever i use the porta potti and by the end of the week where i empty the waste tank, it reeks horribly :(i am not sure if my dosage is not enough or is it because the previous usage of walex porta pak has some residues remain that lower the effectiveness of happy campers but the waste tank smell horrible at the end of the week when i empty it. i tried cleaning the tank and give another shot but the smell is still bad and emptying it at the end of the week is horrible. after reading that happy campers treatment requires oxygen and does not do well in airtight environment like a porta potti, i guess i will stick back to walex porta pak for my waste tank.so i started using happy campers treatment for my grey tank instead and to my surprise, it works amazingly well! usually my grey tank will smell bad at the end of the week but ever since using happy campers treatment, the grey tank has no smell at all. it's a miracle and emptying my grey tank is a breeze now.

I don’t know what they put in this stuff, but it is the best toilet chemical deodorizer I have ever used. We have had an RV for over 20 years now, and have tried everything. I kept hearing about this, but held off because of the cost. We had a situation come up where we couldn’t dump our black tank for 2 weeks. This happened a year ago as well, and we used the chemicals from the big box store back then. We added twice the amount called for to keep odors down, and the odors were soooooo bad after two weeks! It took us at least a month to finally get the odors out. So, when this same situation came up, we were desperate, and decided to buy this. We used overnight shipping so we could get the chemicals in there fast. After two weeks, I entered my camper’s bathroom, expecting to smell at least a little odor. Nope! I shook my head in disbelief as I opened the toilet seat, expecting to faint because of the odor. Not one odor vapor was to be found! Zero stench! Zero!In conclusion, this stuff is pricey, but ohhhhhh so worth it if you find you can’t dump your tank for a few weeks. I am totally sold!

To ensure the proper functioning of your RV's black water tank, it is recommended to pre-fill it with approximately five gallons of water before use. This helps to create a sufficient liquid base, which facilitates the efficient breakdown and disposal of waste. By taking this simple step, you can help maintain the cleanliness and longevity of your RV's plumbing system, making your camping experience more comfortable and hassle-free.

We've been in an RV full time for 7 years, Happy Camper is the best stuff we've ever used. Solids are completely broken up and there's never any smell.