Best RV Holding Tank Treatment 2019 – Doing the Selection

Owning a recreational vehicle also requires you to carry several responsibilities – one of which is ensuring that its septic system is well-managed. You have to make sure that your vehicle’s septic system is well-managed to prevent it from causing a foul smell or making your bathroom stalls look filthy.

The best RV holding tank treatment can help you in managing your septic tank properly. With the aid of this solution, you have an assurance that tissue and waste will be broken down, which is effective in the prevention of clogs. It can also help ensure that your RV bathroom is free of any foul smell or odors.

Why is an RV Holding Tank Treatment Necessary?

Ensuring that your bathroom at home stays free is actually easy because of the presence of the plumbing system, which tends to carry waste away from the area. The same can’t be said for your recreational vehicle, though, as the waste does not seem to go too far.

Best RV Holding Tank Treatment

With that in mind, there is a risk for your RV’s bathroom area to produce a foul smell after some time. Also, take note that your moving RV might also lead to the waste being mixed with other nasty things. Considering those issues, it is just right to treat your water tank using chemicals.

This is something that the best RV toilet treatment can do. It treats the water tank, keeping it clean, removing clogs, and preventing it from producing a foul smell. Note that the RV holding tank treatments actually come in different types – the formaldehyde-free, the tablet, and the liquid holding tank treatments.

Fortunately, we have compiled few of the best products in each type, making it much easier for you to figure out which one you think is the most suitable one for your black water tank.

Top 14 Best RV Holding Tank Treatment Reviews 2019

Formaldehyde-free Holding Tank Treatments

Finding the best treatment for your recreational vehicle’s holding tank is possible if you check out those products that do not have any formaldehyde. Note that you need a formaldehyde-free solution as formaldehyde tends to kill the septic system’s natural bacterial fauna, causing major issues in the long run.

With the damaging effects of formaldehyde, it is no longer surprising why many states actively ban products that have this chemical. What’s good about going for a product without formaldehyde is it ensures its safety for the environment. The most effective one is also guaranteed to be safe for your family, especially for those who are sensitive to chemicals.

1. Walex TOI-91799 Deodorizer

If you are in search of a formaldehyde-free treatment for an RV holding tank, then you will never go wrong by choosing Walex TOI-91799 Deodorizer. It comes in prep-packed water-soluble packets that aid in controlling odor, lubricating seals, and valves, and breaking down wastes and paper.

It dissolves quickly, thereby treating the tank fast. Since each packet is already portion-controlled, there’s also an assurance behind its ease of use. All it takes is to drop one packet in without worrying about spills. You will never have problems storing the packets since they come in a convenient and easy to use zipper bag.

It is available in a non-staining color, which also works efficiently in breaking down waste and paper and deodorizing the tank pretty fast. It boasts of its unbeatable ability to prevent unwanted and foul odors. Each packet dropped into the holding tank is already enough to control odor for up to 7 days.

Another of its most impressive qualities is its fragrance. It’s known for using the strongest formula for odor control available in the market. Since it’s, formaldehyde-free while boasting of its biodegradable nature, you can safely use it without harming the environment and those who are sensitive to chemicals.

2. Camco 41183 TST Ultra-concentrated RV Toilet Treatment with Orange Citrus Scent

Another of the best RV holding tank chemicals without formaldehyde that you can use is the Camco 41183 TST Ultra-concentrated RV Toilet Treatment with Orange Citrus Scent. It also comes in a form that you can just conveniently drop it into the tank. Once dropped in, you can expect it to start working on controlling unwanted and foul smells.

It also aids in breaking down tissues and waste within the black water tank, thereby preventing clogs. The drop-ins are easy to use. They also have a special chemical, which aids in breaking down the waste. It is ultra-concentrated, too, which makes even a single drop effective in treating tanks that are up to 40 gallons in capacity.

Furthermore, it boasts of a combination of surfactant oils with a citrus scent, which aids in trapping foul odors within your tank. What’s even better about this RV holding tank treatment is that it gains the approval when it comes to using it for marine and RV applications.

Since it does not contain formaldehyde, it is known to not cause any harm to all kinds of septic tanks as well as portable toilets used for camping. It’s devoid of any toxic substances.

3. Camco 41173 TST Ultra-Concentrated RV Toilet Treatment with Orange Scent 

Another formaldehyde-free holding tank treatment from Camco is the 41173 TST Ultra-concentrated treatment with orange scent. It works efficiently in regulating odors coming from the holding tank of your recreational vehicle. With this product, you get the chance to make the most out of the power of citrus when it comes to breaking down tissues and wastes.

The fact that it takes advantage of a formula without formaldehyde also makes it good for the environment. It is ultra-concentrated, too, making it really effective in performing what it is intended to do. It does not cause any stains and is guaranteed to be safe when used on septic tanks.

Using it promotes convenience as it only involves a one-step solution. It does not need any preparation or mixing. The concentrated nature of this product makes it capable of treating a max of 40-gal. water using just 2 ounces of the treatment.

You might also find the 4-oz. size of this product handy since you will only be using a single bottle for each application. A single application can already last for a few days. It’s convenient since it does not require you to measure anything.

4. Energen Grey Water Tank Treatment

If you are looking for a formaldehyde-free treatment for your RV’s grey holding water tank, then the Energen Grey Water Tank treatment is definitely perfect for you. It is all-natural as it is free of any harmful chemicals, like formaldehyde. It also does its job of deodorizing and removing the buildup of grease from the tank pretty well.

Buying this product allows you to take a hold of up to 16 treatments designed to offer more than a hundred days of coverage. Such is enough to prevent foul odors from waste vents, sink traps, and drains. Once applied, you can expect this non-formaldehyde solution to prevent foul smell and odors for up to 7 days.

Expect it to leave a nice and fresh scent of a mountain breeze, instead. It performs really well as a water tank treatment while promoting ease of use. Just make sure that you stick to the directions stated on its pack.

A wise tip to take full advantage of this impressive RV water tank treatment is to apply it prior to your next RV trip or camping excursions. It’s effective in preventing the unwanted smell from your sink or shower.

Tablet RV Holding Tank Treatments

You can also go for holding tank treatments that come in tablet form. The best RV black tank treatment in tablet form makes it possible for you to add one tablet in a tank. It offers utmost convenience as it eliminates the need for measuring.

Each tablet comes pre-packed and you can use it right away. In addition, it is not messy as it does not cause spills.

5. Walex BIO-PAK 11530 Natural Holding Tank Waste Digester and Deodorize

Walex BIO-PAK 11530, which tends to work as an effective digester of waste and deodorizer, also does a pretty good job in the field of digesting waste and removing odors from your tank. It can be considered as a tablet holding tank treatment, which comes in a pre-packed piece with proper portion control.

Since each pack already comes in portion, you can do away with pouring and measuring the product yourself, promoting convenience. Each pack works immediately in breaking down any waste and paper present in the tank while also deodorizing it. It performs such function without the need for any special toilet paper.

The convenience associated with using this waste digester and deodorizer from Walex can also be attributed to the fact that it does not trigger any messy liquids. It’s not harmful when used on various septic tanks and devoid of harmful chemicals. It is known to be free of both formaldehyde and biocide.

It also comes in a color, which does not cause stains to your tank and the other areas surrounding it. Using it regularly can also help ensure that the seals, valves, and pipes in your septic system will stay free of any troubles.

6. Walex TOI-61776 Elemonate Deodorizer & Cleaner

Mainly designed for grey water tanks, you will also be surely satisfied with the performance of Walex TOI-61776 Elemonate Deodorizer & Cleaner. It comes in tablet form, which is known to dissolve rapidly. It works efficiently in deodorizing your grey water tank.

One impressive fact about this Walex product is that it also works in freshening up your drain lines and sink. Adding the tablet into the tank can also dissolve organic sludge as well as grease from the grey tank itself and its drain lines. Also, it’s a versatile solution since it works not only in RVs but also in households and boats.

Another advantage of this deodorizer and cleaner from Walex is that it utilizes the most recent technology in rapid-dissolving tablets when it comes to preventing clogs and controlling bad odors.

It contains special enzymes that work efficiently in dissolving grease and breaking food particles and fats found in grey tanks, sinks, drain lines, dishwashers, and garbage disposal. With such benefit, you have an assurance that this grey holding tank treatment is effective in keeping the lines and tanks odor-free and free-flowing.

7. Walex PPRVLAV Porta-Pak Holding Tank Deodorizer (Lavender Breeze)

Walex also did a pretty good job in creating the PPRVLAV Porta-Pak Holding Tank Deodorizer with lavender scent. In fact, it is considered to be one of the best portion control deodorizers worldwide, which comes in tablet form. It delivers a really excellent performance in preventing odors.

It is based on a safe and chemical-free formula as it does not contain formaldehyde. It is effective in the breakdown of accumulated wastes and paper as well as in the field of deodorizing the holding tank with its new and fresh lavender fragrance. It’s in a Porta-Pak or table form, which is also an advantage as you just have to drop it in.

Each portion-controlled packet dissolves quickly, making it possible for you to do the treatment for the holding tank in a quicker manner. It’s user-friendly as treating your tank with it just involves simply dropping the contents of the packet.

Each drop has the power of regulating the odor of your holding tank for up to seven days. It also prevents spills as each pack has a controlled portion. It’s effective in cleaning sensors and holding tanks.

Liquid RV Holding Tank Treatments

Another type that you can use as a treatment for the tank is the one, which comes in the form of a liquid. The good thing about the liquid form holding tank treatment is that you can easily flush it down to the toilet.

Note that you will be measuring the amount you will be adding to the tank, though. Still, many swear to the convenience associated with using the liquid holding tank treatment for recreational vehicles.

8. Happy Campers Organic RV Holding Tank Treatment

You might also want to check out the easy to use Happy Campers Organic RV Holding Tank Treatment. This solution from Happy Campers is beneficial enough as it is all-natural and organic, thereby ensuring that most of its contents are safe.

The organic nature of this product also means it’s friendly and not harmful to the environment and your septic tank. By using this treatment regularly, you can keep your holding tank free of odor. There is no need to worry about sewer or chemical smell.

It also works efficiently regardless of the weather – whether it is hot or cold. Another of its proven advantages is it comes in its liquefied form. With such form, you no longer have to use special tissues that are actually very expensive when applying it. You can actually use the typical tissues used in households.

Expect this treatment to work continuously, too, because it has an extended dump interval. It is devoid of formaldehyde, too, which can give you a guarantee that it won’t trigger any problems within the RV campgrounds and grounds.

9. Unique Natural Products RV Holding Tank Treatment

Another great option in your search for the high quality RV holding tank treatment is the one offered by Unique Natural Products. With the help of this solution, it is possible for you to finally let go of those embarrassing and unwanted odors and clogs in your septic system, giving you the chance to travel in comfort.

It utilizes an advanced mixture of enzymes designed to treat your black water tank at a fast pace. You can even expect it to work in unclogging the tank, making it really distinctive from other products in this category that do not offer such feature. It also contains elements that can remove waste and eliminate foul odors.

What’s good about this holding tank treatment is that it works for both your black and gray tank. It does so by liquefying any solid wastes from both tanks. It digests solids while also ensuring that it stays safe with the use of its formaldehyde-free formula.

It works fast, too, as it can completely unclog the holding tanks overnight. It tends to digest all forms of toilet paper, too. In addition, you are assured of its ability to restore and clean up the level gauges and sensors of your tank.

10. Camco TST RV Grey Water Odor Control with Lemon Scent

Another effective liquid treatment for your water tank is the Camco TST RV Grey Water Odor Control with Lemon Scent. It is especially effective when used in grey water tanks. It works by stopping and trapping odors in sinks. You can also use it in various applications, including waste vents, sink traps, and drains.

The main function of this water treatment from Camco is to control odor and treat holding tanks that are around 16 to 40 gallons using the 64-oz. bottle. It does not only regulate odor but also functions effectively in eliminating the buildup of grease found in the gray water tank of your recreational vehicle.

Aside from removing foul odors, you also have an assurance that it will leave a nice and fresh lemon scent. With that, you will have a great chance of having a more enjoyable experience living and staying in your RV.

You can start riding your RV in comfort knowing that you will no longer be bothered by the unwanted and foul smell. The fact that this product work as a combination of an odor control and cleaning solution means you won’t regret investing your money in it.

11. Happy Campers EXTREME CLEANER

You can’t also expect this list of the best holding tank treatments for recreational vehicles to be complete without incorporating the Happy Campers EXTREME CLEANER. It works as an effective cleaning solution for your tank and sensor whether you use it for marine or RV applications.

This cleaning solution is effective enough, resulting in super clean tanks. It also works efficiently in restoring poor working sensors as well as in freeing your vehicle from persistently unwanted and foul smells. It works simply yet effectively by ensuring that crud and sludge accumulated in your holding tanks will be softened then dissolved.

It primarily serves as a cleaner. Rest assured that it won’t let you down as far as breaking scale deposits is concerned. With that, rest assured that such deposits will be flushed out, resulting in a thorough clean-up.

One great thing about using this treatment is that it works for both your gray and black tank. You will find it convenient to have this cleaner around if you want to keep your black tank free of clogs or anything that might cause an inconvenience in your RV trip. It can also remove nasty gunk inside your gray tank.

12. TankTechsRx RV Holding Tank Cleaner and Treatment 

The versatility of this holding tank cleaner and treatment for recreational vehicles is one of its strongest points. It is versatile in the sense that its all-natural probiotics work efficiently for marine, camping, and RV applications, as well as for portable toilets. It’s versatile because of its ability to work on galley, grey, and black tanks.

It does not have formaldehyde. It utilizes probiotic bacteria, instead, when it comes to the elimination of odor while also ensuring that all wastes present in the tank break down into waste. It does not have a scent, though, but you can rest assured about its effectiveness in eliminating unwanted odors.

One more advantage of this solution is that it works well in treating any size of a tank with just a small amount per treatment. Being an all-natural product, you also have a hundred percent assurance regarding its safety and friendliness to the environment.

It can liquefy solids in your tank, allowing it to be completely empty. Rest assured about its cost-effectiveness considering the fact that you do not have to use too much of this solution to clean and treat the tanks in your vehicle.

13. Thetford Aqua-Kem RV Holding Tank Treatment

You might also want to check out Aqua-Kem, a popular RV holding tank treatment offered by Thetford. It is a good product knowing that it’s a concentrated deodorant, which is effective in chemically neutralizing odors in an instant. It’s a powerful and versatile product as it suits recreational vehicles and boats.

It can eliminate all odors that the accumulated wastes in your black water tank produce. Rest assured that it can also leave a fresh fragrance that can last long. You can use it for various applications, including portable toilets, re-circulating toilets, as well as freshwater flush toilets.

Aqua-Kem is also effective in breaking down tissues and liquefying wastes at a fast pace. Such makes it possible for the product to prevent clogs. As it contains potent detergents, you can also count on its ability to clean drain lines and tank walls.

It is one hundred percent biodegradable, which works continuously in controlling and regulating odor regardless of the weather. Since it’s available in pre-measured bottles, you also have an assurance that it does not cause messy spills.

14. Valterra V23128 Pure Power Blue Odor Eliminator and Waste Digester

You will also find the V23128 Pure Power Blue from Valterra effective and reliable as an odor eliminator and waste digester, making it a really great product to invest in if you are in search of the best RV holding tank treatments. It utilizes a modern biological formula, which also features the brand’s exclusive odor control technology.

Such makes it effective in delivering an excellent performance when it comes to eliminating odor in all types of temperature and weather. It’s economical as each treatment for both your gray and black tanks only require the use of around two ounces.

It is powerful in removing odor from your holding tanks and keep them clean because of its high-powered combination of enzymes and bacteria. Being free of chemicals, you can also rest assured that you won’t be harming yourself and the environment when using it.

You can safely use it on various locations, including RV parks, marine or RV dump stations, and septic systems. It is friendly for all septic tanks while also boasting of its fresh scent.


Investing in the best RV holding tank treatment is definitely the key to ensuring that you have a more convenient time staying in your recreational vehicle. The treatment is designed to remove unwanted smells from your black water tank and keeping it safe and clog-free.

With that, it is indeed helpful if you want to have a well-maintained septic system in your RV that won’t cause any problem for you and the other people in the campground. You no longer have to think about how to clean RV holding tanks on your own with the treatment around.

We would like to thank you for reading this article. Find out more about how to choose the best RV macerator pumpsbest RV toilet papers and best RV toilets with our reviews and ratings. Furthermore, please take a look at the best RV sewer hoses and best RV portable waste tank reviews to choose the best one for your RV waste water and sanitation.

Best RV Holding Tank Treatment 2019 – Doing the Selection
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