Best RV Antifreeze

If there is one system you don’t want to mess with for your RV, it’s the plumbing. That’s why you take every opportunity to protect it. The best RV antifreeze will help keep the various elements of your RV plumbing protected throughout the winter, so you don’t have to deal with busted pipes and a huge mess. While Star Brite Anti-Freeze might be the best on the market right now, it’s essential to look at several available options that you may use to meet your needs.


Star Brite Anti-Freeze

There are a lot of things that you’ll enjoy about the Star Brite Anti-Freeze when you make your purchase. For one thing, you get a great value since this comes in a 6-pack, more than enough to help you winterize your RV. Now, it might be a little higher on the pricey side of things, but it’s worth it. Not only is this a non-toxic formula, but you won’t have to dilute this product to make use of it in your system.

When you’re looking at how low of a temperature this item can handle, it’s -50 degrees Fahrenheit. Most people won’t be in areas where the temperature is going to get even remotely close to that, so it can help a great deal. Not only are your pipes inside going to get the benefit of winterized protection, but the formula helps prevent corrosion from occurring, too. When you’re looking to get ready for a long, cold winter, this is the product you want to have.  If you are enjoying this article check out the best portable generator camping.

Splash Antifreeze RV and Marine Coolant, 1 Gallon

The Splash Antifreeze for RVs and Boats is a fantastic product that almost made the top of our list. For one thing, it is very effective at being an RV antifreeze, and it can protect the interior of your RV up to the -50 degrees Fahrenheit mark, which is great. Also, the bright pink color of this product can be utilized to help you look for leaks in your RV plumbing. While this product might be a little more expensive per gallon, it is still a very good item to own. Like others, it’s easy to get started with the antifreeze because it comes ready to add to the system and biodegradable.

Camco RV Antifreeze Concentrate

Camco offers an excellent option for Antifreeze, but this one is a little different from the last in that it’s a concentrate. That means you can take 36 ounces from this product and use it to make an entire gallon of antifreeze. It’s a great value for your system, and you can get a pack of two for this particular item. It’s non-toxic, so it is safe around everyone and all your pets. Like the others, you get burst protection down to -50F, so you don’t have to worry about your system even in the coldest temperatures. All you need to get started is to add fresh water to the concentrate, and you will have a product that is ready to go.

BioTherm Fluids RV Antifreeze and Heat Transfer Fluid

BioTherm has a great RV antifreeze that most people haven’t heard of before since it’s not a typical item. Unlike the other products that come in a bottle, this comes in a bucket. You’ll get five gallons of top-quality product. While this product is on the higher end of the price spectrum, it’s very good stuff. It’s biodegradable and non-toxic.

Moreover, you get the same level of burst protection for -50F as you would with the other RV products that we’ve listed so far. Lastly, it will inhibit corrosion, which most people would like to avoid in their systems. If you are enjoying this article check out the best rv battery boondocking.

Zecol Antifreeze

Zecol is another well-known brand that we had to add to this list because of its high effectiveness. It’s very similar to many of the other products that we’ve listed here. First off, it is non-toxic and is biodegradable. Also, you’ll get burst protection up to -50F. If that sounds familiar, you’ll be thrilled to learn that this product can be used in pools and RVs.

This product comes in a single gallon instead of a large pack, so it can be used when you need to add some to the system without investing in a massive pack. That makes it a very good product for the budget-minded consumer.  

RecPro RV Antifreeze

RecPro might be a less-known brand, but that doesn’t mean it doesn’t have everything that you need to protect your system. The one thing that is great about this product is you can order everything from 1-gallon bottles to a 4-gallon pack. It’s not going to harm any of your plumbing, and it offers burst protection at -50F.

It’s excellent for lubricating seals and gaskets, and it’s pretty inexpensive compared to the other products we’ve listed. All in all, this is something that offers you the protection you need without any bells and whistles. If you are enjoying this article check out the best rv oven.


Protecting your RV’s plumbing should be high on the list of things to do while winter is approaching. The last thing you want to do is get into the season and realize that you don’t have the right stuff to keep your system safe. Fortunately, looking at this list, you can get a good idea of the sorts of products that you want to use when getting your RV ready for winter. They’re all relatively inexpensive and easy to use, so it’s hard to go wrong.