When the winter comes around and it's time to winterize, RV Antifreeze is a necessity. It will protect the plumbing systems in your RV from freezing and ultimately getting permanently damaged.
RV antifreeze isn't the same as your typical stuff for your car, however. Antifreeze for an RV is non-toxic, whereas for cars, it's highly toxic, so be careful.
Standard car anti freeze would be fine for your RV engine, but the antifreeze were discussing in this article is for your pipe fittings and all the plumbing and stuff around your RV.
When used, RV anti freeze will prevent all your plumbing from freezing solid and potential damage. And you can also add it while you're actually camping during the winter, putting some into your gray and black tanks is a good idea as it will prevent them from freezing up, too.
Anyway, as with everything else, not all antifreeze for RV are made the same, so we have reviewed them and picked out what we believe to be the best RV antifreeze products on the market.
After the specific reviews, we've added a Buyer's Guide where we go into more detail about what RV antifreeze is, and also look at the comparisons with other useful antifreeze products.
There's also a step-by-step guide for how to prepare your rig for the winter and apply some RV anti freeze. And as with all our articles, we have an FAQ section dedicated to any questions we regularly get from our readership.
If you prefer, you can scroll straight down to the RV AntiFreeze Buyer's Guide by clicking the link
Review of the Best RV Antifreeze
Now that you know a bit more about RV antifreeze, it's time to go over the reviews. All products are well-researched, so we hope we can help you make an informed buying decision.
Best Overall RV Antifreeze:
Splash Antifreeze Coolant, 1 Gallon
Splash Antifreeze Coolant is the best product on the market, and will keep your RV maintained during the winter. This product can provide you with the features a good RV antifreeze should have and at a reliable price point.
The Splash Antifreeze Coolant can be used for RVs as well as marine vehicles. It can also be used for all heavy-duty engines because of the corrosion protection provides. Using this anti freeze is easy because you won’t have to figure out a dilution ratio by mixing in water. Simply pour in the contents and that is it.
Being alerted about leakages during the initial stages of using an antifreeze is ideal, and the pink color will help you detect any possible leakage. It's also non-toxic, so you don't have to worry about the environment, or your kids and pets for that matter.
Another thing we really liked about this one is the price. It's as good as any other and cheaper than most other RV antifreeze products that boast the same features.
With the Splash Antifreeze Coolant, you have an antifreeze for RV you can depend on. Not needing to calculate a dilution ratio allows for more convenience in using this product. You can use this to protect the plumbing as well as metal parts from corrosion during winter. The only thing we don't like about this is the bright color. It's non-toxic, so nothing to be alarmed about, but the colorful packaging might attract kids. So, do keep it out of their reach.
Camco 30027 Boiler Antifreeze
The next product is the Camco 30027 Boiler Antifreeze. As the name states, this product is reliable to use for heater boiler systems. We say this because this solution can prevent corrosion in the pipes. Warding off corrosion is very important if you want the flow to remain as it should be. The solution is ready to use and premixed, so you can use it right out of the bottle without having to worry about calculating dilution ratios.
Take note this product should only be used in systems that don't have any aluminum components. Camco remains one of the most reliable names when it comes to RV antifreeze products in the market, but do be careful if you have aluminum components.
This solution is environmentally-friendly. It's a red solution, which allows you to detect leaks faster. For proper RV maintenance during winter, you can't go wrong if you go for this one.
Camco is renowned brand, and the Camco 30027 Boiler Antifreeze is a product you can rely on. This solution can be used directly without a need to dilute it with water. While it can't be used for systems with aluminum components, you can still use it for a variety of systems, including solar-powered systems.
Camco RV and Marine Antifreeze (Pack of 6)
Camco RV and Marine Antifreeze is the next product on our review from Camco. Well, we did say they Camco was one of the leading brands when it came to RV antifreeze.
As someone who owns an RV, you need to understand the importance of protecting it from water damage, especially during the winter months. The cold weather increases the chances of the pipes bursting and damaging the RV. With a reliable product like the Camco RV Marine Antifreeze, however, you can keep pipe bursting at bay and prevent costly repairs.
This solution has been made to be tasteless as well as non-toxic and an environmentally-friendly solution. It's also safe to use around kids and pets, and can be used in swimming pools, boats, and vacation homes, as well as your RV.
As for the convenience this product offers, you can use it directly out the bottle without having to dilute it with water, so it's all convenient and will save you any measuring hassles. It offers corrosion protection during winter, too. It boasts unique lubricating properties which help it protect, as well as adequately lubricate, the valves and pumps in water systems.
The Camco RV and Marine Antifreeze is another reliable solution from Camco, a brand you can trust. Simply use this solution right out of the bottle to protect the water systems during winter. It is non-toxic and won’t harm the environment or the young ones and four-legged friends.
PEAK RV & Marine Antifreeze
The next one on our list is the PEAK RV & Marine Antifreeze. Some of you might already be familiar with such a brand. Like Camco, PEAK is trusted when it comes to creating a range of antifreeze solutions meant for cars, boats, and RVs. With the PEAK RV & Marine Antifreeze, you're getting a solution that gives you the winter-protection your RV deserves.
This RV anti-freeze offers protection against temperatures as low as 50 below zero. Using it, you'll be at peace knowing your RV’s water system is protected from bursting throughout winter. It's non-concentrated, too, so you can simply go ahead and add the solution without having to worry about dilutions.
The RV Antifreeze is safe to be used with plastic, brass, metal, and even copper pipes, but take note that it shouldn’t be used with acetate.
This product is safe to use around pets and children. It has been rated GRAS, or Generally Recognized as Safe, by the FDA. It's also non-toxic and won’t harm the environment either.
The PEAK RV & Marine Antifreeze is from a reliable company. You can use this antifreeze conveniently from the bottle without having to dilute it. This solution can be used for water systems with plastic, brass, copper, and metal pipes. It's safe for the environment and will make sure your RV stays secure against burst pipes during winter.
Century Chemical TF1
What Recent Buyers Report
Many people love the Century Chemical TF1 Antifreeze. It's both easy and safe to use as it offers a low toxicity level. It's an ideal option for winterizing RVs and won't affect your water supply's pH levels. The fluid also comes in a compact, sturdy and plastic bottle, which helps in preventing leakage/spillage and allows you to store it easily.
Why it Stands Out to Us
When it comes to the TF1 antifreeze, people seem to like it because of its low toxicity. This RV antifreeze also features a special pH inhibitor, which helps prevent the water's pH from changing. So, if you accidentally drop some into your drinking water supply, it won’t change the water's pH level, and it won't cause any harm.
As well as this, it won't corrode your RV's pipelines, and its non-toxic properties allow you to safely use it with other solutions as it presents no fire hazard.
Considering all features that this RV antifreeze has to offer, it's safe to say tit's an ideal option for winterizing your RV. Not only is it non-corrosive, but it is also safe to use, offers low toxicity, and boasts a special pH inhibitor that ensures your water will never be damaged by the antifreeze.
Camco RV Antifreeze Concentrate
Another antifreeze from Camco, in fact it's our third and for good reason. For those who might not be familiar, the Camco company has been around since 1966, and offers more than 3,500 products. Through the decades it has built a loyal customer base for itself, which is of course down to its quality products.
This solution is non-toxic and safe for kids, as well as your furry friends. You can use this concentrated RV anti freeze to prevent the water lines in your RV from freezing and bursting during winter, in temperatures as low as -50 degrees F. Going for a two-pack means you’ll have enough to keep your RV safe throughout winter.
Take note that you'll need to add water before you begin using this concentrate solution. A single bottle makes one gallon of antifreeze. This might decrease the overall convenience, but it's a small price to pay for a quality product. Not only that, you can use this antifreeze for RV, and for vacation homes and pools, too.
The Camco RV Antifreeze Concentrate requires you to add water before use. However, calculating the dilution ratio isn't much of a hassle, especially when you know you're getting a quality product. Of cousre, being a concentrate, means a bottle will last longer and you'll get a full gallon diluted solution with each bottle.
Zecol Antifreeze One Gallon
Next on our review, we have the Zecol Antifreeze. This item is definitely up there with the best RV antifreeze products. You need a reliable antifreeze to ensure your RV remains safe during winter, and this one from Zecol has every main feature you'd expect from a quality product.
The liquid boasts up to -50°F burst protection, which should cover pretty much everyone. It also has a proprietary corrosion inhibitor blend which has been proven for over ten years! It is also biodegradable, organic and non-toxic, so you have no fears for the environment or those you'll be looking after.
You can use this product for the RVs, boats, brass pipes, metal pipes, plastic pipes, copper pipes, and even acetate tubing. Offering so much versatility in the overall application makes this product very convenient to use. It's easy to use, too.
This is a dyed antifreeze, which makes leaks detectable. Simply use this product without adding any water to ensure your RV is protected when winter comes.
The Zecol Antifreeze is a reliable product for you to use to protect your RV during winter. This item is our best overall selection because it is organic and effective. The color of this product makes sure you can quickly detect any possible leaks. You need a reliable product to maintain your RV and you get exactly that with the Zecol Antifreeze.
Star Brite Non-Toxic Anti-Freeze 6 Gallons
Last but definitely not least, Star Brite Non-Toxic Anti-Freeze is another reliable and fantastic winterizing solution that will protect your RV's plumbing.
This RV antifreeze will ensure your RV is undamaged during the cold weather, with a burst protection to temperatures as low as -50°F (-46°C). The freeze protection is within a range of +12°F to +16°F (-11°C to -9°C).
This versatile product offers effective cold weather protection as well as protecting the drinking water systems, and even all engines from corrosion. It also helps prevent corrosion of copper, solder, brass, and aluminum, and also the hose materials or rubber seals.
Also, if you are worried about leaks, this RV antifreeze has a bright pink color which works to provide excellent visibility, so you'll know immediately if you have a leak.
This is a non-alcoholic product and has been formulated with pure, non-toxic, USP-grade ingredients. You don’t have to dilute it either, making it nice and convenient for anyone. You should know that this product contains propylene glycol, but it doesn't contain ethylene glycol.
As well as RVs, you can use this antifreeze for boats, pools, and even vacation homes. It also has corrosion inhibitors which offer protection for all metal engine components and seals.
The Star Brite Non-Toxic Anti-Freeze is an excellent, safe and clean product. It gives you the RV plumbing protection you wane. While some might be put off by the odor, this RV anti-freeze will get the job done throughout the winter.
Now it's time for our RV AntiFreeze Buyer's Guide. Here you'll learn exactly what antifreeze is and what it does. Not just any antifreeze either, because you need to get RV specific antifreeze. We compare RV antifreeze with others anyway, so by the end of the guide you'll have a better understanding.
We've also included a step-by-step guide on how to put antifreeze in your RV, so you'll have no problems doing so, when you need to. And as with all Buyer's Guides, we end with an FAQ section, so you should have no stone left unturned.
What is RV Antifreeze and What Does it Do?
Before you jump ahead buying antifreeze for your RV, it will do you good to understand exactly what it does and why it's essential. With the drop in temperature during the winter months, water pipes are at risk of freezing up and bursting. Having the water system burst into your RV leads to a lot of damage, and will cost a lot to repair.
To prevent this from happening, it's recommended you use antifreeze. It's a solution that helps prevent pipes from bursting by offering burst protection for temperatures as low as -50°F. So basically, using RV antifreeze means the water system pipes remain safe during winter.
How to Choose RV Antifreeze
While we're happy to share our top recommendations for RV antifreeze currently available, we would like to ensure you know what features to look for before you look at each product.
You should opt for an RV antifreeze product that offers effective protection against low temperatures. Go for a solution offering at least -50°F burst protection. There are antifreeze solutions which go even lower, but the -50°F mark is most common.
Keeping your environment safe when using chemicals, is crucial. The product you select should be non-toxic and environmentally-friendly. Such an antifreeze for RV will also be safe to use around kids and pets.
The convenience means how easy it is for you to use. Greater convenience is offered by antifreeze solutions which can be used right out of the bottle without adding water to dilute it.
Variety of Uses
It's better to opt for some RV anti freeze that offers a wide range of uses. As well as using it for your RVs, get some that you could use on swimming pools, boats, and vacation homes etc. On top of this, antifreeze solutions that work with a variety of pipes (plastic, copper, brass, etc.) are also recommended.
RV Antifreeze Types
The market is filled with different types of RV antifreeze for you, but there are three different types you should know about. The ideal one for you depends on what you‘re using the antifreeze for and the situation.
Ethanol-based RV antifreeze, also known as an alcohol-based antifreeze, is a common option that's widely available. You can easily find this product in most hardware and RV stores. It's not only effective but it's also a cheaper option. However, it is flammable, so be careful when using it.
Propylene Glycol-Based Antifreeze
Propylene glycol-based RV antifreeze is another option for you to consider. This is preferred by many, as it has a good effect on RVs, and is less toxic that makes it safe to use for your RV plumbing. It also acts as a lubricant and helps in increasing the life of all rubber seals in the pipes and plumbing lines. It's also non-flammable, which makes it a safer option.
Propylene-Ethanol Blend Antifreeze
This is basically a combination of the two types of antifreeze mentioned above. Since it's a combination of the two above, you need to note that the amount of ethanol present in this antifreeze is unknown. Therefore, be careful when using this fluid.
Before making your purchase, you should compare the different options available, so you can see which one would be the best option for you. Most people are often confused regarding the differences between RV antifreezes and what sets them apart. Allow us to explain these differences for you...
Swimming Pool Antifreeze vs. RV Antifreeze
Both swimming pool antifreeze and RV antifreeze are made using propylene glycol and are designed for preventing pipes from freezing. The main difference between the two is the color. While the swimming pool antifreeze is blue, the RV antifreeze is pink. The instructions for these two will likely differ, and so will the amount of water required for diluting them.
RV Antifreeze vs. Car Antifreeze
Most RV owners are aware of the fact that there's a huge difference between an antifreeze for a car and one for an RV. The main difference is that RV antifreeze is non-toxic and made to be used for the plumbing system. On the other hand, automotive antifreeze is completely different and is genuinely toxic and meant to be used for the engine cooling system only.
Ethanol vs. Glycol RV Antifreeze
An RV antifreeze is a non-toxic fluid that's meant to be pumped into the plumbing system. The main similarity between ethanol and glycol RV antifreeze is that they help raise the freezing point of water.
The former is usually cheaper, but it's flammable, which makes it unsafe to use. Glycol is a bit more expensive, but it's non-flammable, which makes it a lot safer.
Blowing Out RV Water Lines vs. Antifreeze
If you’re trying to get rid of the water from the water lines, you can use the blowout method or use an RV antifreeze. For the blowout method, you need an air compressor along with a blowout plug to expel the water from the system. Although it is the easiest method, it doesn't get all the water out of the system.
On the other hand, RV antifreeze is a more reliable method of removing water. This method ensures that all of the water is removed. For this, you'll need around two to three gallons of RV antifreeze, depending on how big your RV is.
How to Put Antifreeze in an RV
In case you’re worried about how to clean your water tanks and how to make use of the antifreeze, here's a detailed guide for you to follow.
1. Clean the grey and black tank, drain them and fill them with fresh water. And then leave both the gate valves open so that they're completely clean.
2. Drain the water heater, open up the pressure relief valve, and relieve any pressure in the system. This disconnects the water, and there is no water going down the coach. The water pump is now off, and there is no pressure, so you can then close the relief valve and simultaneously take the drain plug out so that it doesn't blow out.
3. Now using an Atwood, a wood that has a plastic plug attached to an anode rod, take it out, and water will start coming out.
4. Then reopen the pressure relief valve at a quicker speed. When it's almost empty, go over to your freshwater city and close the pressure relief valve.
5. Look for your city water connection; usually, it's under the slide. Using a plug, screw into the hose outlet and connect your compressor to it. The compressor can be at 30 psi and will easily blow the air out. Make sure all of your facets are closed, and the air will blow out all of the water from the heater.
6. Once the water stops coming out, disconnect the air from the rig. Now, you can bypass the hot water heater and disconnect it.
7. Turn off the cold and hot water valves once, so that no water goes in or comes out. Then turn the bypass valve, so all the cold water will go into the hot water line without going into the hot water heater. That is bypassing.
8. At the city inlet, reconnect the air compressor and start turning on the faucets one by one to drain out all the water. This way, there is no water left that might dilute the antifreeze.
9. Now coming to the water bay, turn your whole house filter off and take it out. A little tip is that you can put an empty water bottle inside the filter so that you don't use too much antifreeze.
10. Place the housing back in.
11. Take the winterizing hose off. Now, take the RV antifreeze and stick the winterizing kit hose inside the bottom. Turn the water pump on to pressurize the system and turn the faucet on one by one. You'll see the colored antifreeze coming out. Now the hot water heater is done.
12. Go to the gate valves and close the grey and black water tank. Now, pour the remaining antifreeze down the drain. Make sure to wipe any plastic bits to prevent staining.
In case you are still confused regarding the procedure, refer to the following video to overcome your queries.
People Also Ask - RV Anti Freeze FAQs
Buying the right antifreeze for your RV can be quite a difficult task, considering all the multiple options available. All options above are recommended, but if you still have some unanswered questions, keep reading...
What’s the Difference Between RV Antifreeze and Regular Antifreeze?
You might be surprised to learn how many people think a regular antifreeze and an RV antifreeze are the same. You need to realize the two are different. Regular antifreeze is poisonous and toxic to people, animals, and the environment. It should only be used in closed loop cooling for engines. RV antifreeze, on the other hand, is non-toxic and protects the water system. Also, RV antifreeze gets pumped into the system and then flushed out when winter begins.
Is RV Antifreeze Safe For Septic Systems?
Yes, a reliable RV antifreeze can be safely used for any type of septic tank. This is because an RV antifreeze has biodegradable materials. Such an antifreeze can also be flushed into the municipal sewer system (as long as there is no law prohibiting such an action). You should always go for an environmentally-friendly RV antifreeze.
How to Dispose of Antifreeze
RV antifreeze, which is non-toxic and biodegradable, can be disposed of by being flushed down into any sewer system. Make sure that you don't drain it all into the lawn. Even though such an antifreeze is environmentally-friendly, too much of it can harm the grass growing in the lawn. You can also drain it on rocks and let it dry up in the sun. It is recommended you check with your state laws.
What is RV Antifreeze Made of - Is it Safe?
In general, a non-toxic and safe RV antifreeze is also known as a propylene glycerol antifreeze. Such an antifreeze solution is made of propylene glycol, glycerol, water, and dipotassium phosphate. A dye is also added to help detect any possible leaks which may occur. The biodegradable components of antifreeze are what allows it to be environmentally safe.
What Does Antifreeze Smell Like?
RV Antifreeze does have an odor to it. Such an antifreeze is known to smell, as well as taste, like maple syrup. While the scent isn't too overpowering, some people might not like it. We have mentioned certain antifreeze solutions in our RV antifreeze review list which can give off an irritating odor to some. Also, not flushing it out properly can lead to the smell and taste lingering.
Where Do You Recycle Antifreeze?
The correct answer to this question can be obtained by referring to any existing laws about recycling antifreeze laws in your state, city, etc. There are many states that offer antifreeze recycling programs. The important thing for you to do, as a law-abiding citizen, is to know how to recycle antifreeze properly. Do not merely dispose of it on the lawn or carelessly try to store it away in a non-airtight container. Also, remember that this antifreeze is not the toxic kind used in engines, so may be subject to different guidelines.
How Often Should You Change Your Antifreeze?
In order to properly winterize your RV, you need to know how often you should change the RV antifreeze. It is generally recommended that you change your antifreeze at least once as winter approaches. Using two to three gallons of a reliable RV antifreeze should be enough to keep the water system safe during winter. However, you might need to use more depending on the length of the water system.
How Much RV Antifreeze to Winterize?
Knowing how much RV antifreeze you should use to winterize properly is crucial. Using too little won't be able to protect the water systems effectively. Using too much isn't recommended either and will only increase your costs. The amount of RV antifreeze needed to winterize the RV is dependent on the size of the RV as well as the overall length of the water lines. Usually, two or three gallons of RV should do the trick.
What Happens if You Use the Wrong Color Antifreeze?
The color of the antifreeze is really not a reliable indicator of how compatible the fluid will be; therefore, it is always better to read the packaging to confirm whether it is suitable or not.
If you end up using a different-colored antifreeze without removing the previous one you used, you will notice that the two will not mix well and will end up forming a gel-like substance. This gel-like substance causes blockages, causing the engine to overheat and damage the radiator, water jackets, and the heater core. Moreover, at times, even the water pump overheats and fails.
What Color is RV Antifreeze?
There are many different-colored types of antifreeze available in the market. Each of these fluids is made for different types of vehicles. RV antifreeze is usually pink; however, you see some in different colors, such as blue.
You should have a look at the temperature rating before you purchase one for your RV. Make sure to go through the instructions and see which fluid is recommended.
How Do I Get the Antifreeze Out of My RV?
You can easily remove all the antifreeze from your RV by flushing it out of your plumbing system. The easiest way to get rid of all the antifreeze is to run fresh water through the system. For this, you can make use of the city water inlet or the freshwater holding tank. Run fresh water through all of the faucets, both hot and cold, until the water flows clear.
All of the antifreeze residue will be in the holding tanks, which you can later empty at a dump station. And if, for any particular reason, you have added some RV antifreeze to your freshwater holding tank, then you will have to drain it before you add any potable water to the tank.
At What Temperature Does RV Antifreeze Freeze?
The freezing point of antifreeze is basically the temperature at which you’ll start noticing ice crystals forming in the undiluted fluid. The freeze point measurements are usually given using both refractometers and hydrometers.
However, it is important to understand that the reading may differ by several degrees from what is stated on the product due to its surrounding temperature or because of the age of the product. Therefore, a -50°F product might be expected to have a reading of +12°F, but instead, you might see a reading that falls in a range of +12°F to +16°F, so it depends on a few factors.
How to Get Rid of RV Antifreeze Smell
Most RV antifreeze have an odor. The smell is similar to that of maple syrup, and while the scent isn't overpowering, it might not be everyone’s cup of tea. And if you don't clean your tank properly, then the smell will linger. Therefore, the best way to get rid of the smell is to flush the tank properly until all the water being flushed out is clear, and there’s no small.
How Many Gallons of Antifreeze For RV?
When winterizing your RV, it is important that you know how much of the RV antifreeze you will require. Using less quantity won’t help in providing protection to the water systems, and using too much is not recommended. The amount you will be using mainly depends on how big or small your RV is and on the overall length of your RV’s water line. Mostly, you require two to three gallons.
How Much RV Antifreeze Per Gallon of Water?
The amount of antifreeze you use depends on the size of your RV and how big your pipelines are. Usually, one requires around two to three gallons for your water tank.
RV Antifreeze - Look After Your RV Plumbing in The Depths of Winter
Antifreeze will ensure your RV is well looked after during the winter. It will protect all the plumbing that might otherwise succumb to the sub-zero temperatures. It's not much hassle, and is relatively cheap to buy, and it will save you a lot of money.
We hope our best RV antifreeze review helped you in your search. They're all good quality, and you should be safe in the knowledge that whichever you opted for, your RV will be safe this winter.
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Hello, fellow wanderers! I’m Alyssia. Since 2008, my husband and I have called an RV our home, journeying through life one mile at a time. Our nomadic lifestyle has led us to over 70 countries, each with their unique tales that have shaped our own.
I share our stories and insights right here, hoping to inspire and guide you in your own adventures. Expect tips on RV living, our favorite camping spots, breathtaking hiking trails, and the joys and challenges of an ever-changing view from our window. Alongside, you’ll also find practical advice on outdoorsy stuff, designed to equip you for any journey. Join us as we continue to explore the vast, beautiful world on wheels!