Your question: Can I use boat and RV antifreeze in my car?

IS USING RV & MARINE OR POOL & SPA ANTIFREEZE HARMFUL IF I PUT IT IN MY CAR RADIATOR? Yes. SPLASH® RV & Marine or Pool & Spa antifreeze is not designed for cooling or heating purposes.

Is RV antifreeze the same as marine antifreeze?

RV antifreeze and marine antifreeze are chemically the same. For most parts of winterizing your boat, RV antifreeze can absolutely do the job for a boat.

Can I use any antifreeze in my car?

Well, you use the coolant that is specified in your owner’s manual. If you just need to top it up, the recommendation is still the same, however it is unlikely to cause any serious problems if you add a litre of a different type of coolant, as long as you follow the manufacturer’s maintenance schedule.

Can you use RV antifreeze?

RV antifreeze is non-toxic and used to protect the plumbing systems in your RV from freezing. Automotive antifreeze is extremely toxic and used to protect the cooling system in engines, like the one that powers your tow vehicle or motorhome, from freezing.

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Will RV antifreeze hurt you?

No, RV antifreeze will not kill you. It’s a valid concern, especially if you drink the water out of your RV’s plumbing system. Even though you won’t die, you should still do your best to make sure to flush your system at the start of each season thoroughly.

Can you mix RV antifreeze with regular antifreeze?

Can you mix RV antifreeze with regular antifreeze? The answer to that is a BIG “NO”. Not only is it not safe to mix two different types of antifreeze, but you should also avoid mixing different brands of the same kind of antifreeze.

Can I put RV antifreeze in my freshwater tank?

Do not pour antifreeze into your fresh water tank to run it through the pump into your water system. This will take a lot of antifreeze and is not very efficient. Even when the tank is drained there remains some water in the bottom of the tank which mixes with the antifreeze and lessens its protection level.

Can you mix antifreeze brands?

If you mix two different coolants together, it will create a think substance that resembles that of a jelly. If this happens, the coolant will not be able to do its intended job. Instead, it will cause the engine to overheat. The damage can reach gasket, water pump, and radiator.

What happens if you mix antifreeze?

Mixing different engine coolants or using the wrong coolant can impair the performance of the special additive packages; this can result in increased corrosion to the radiator.

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What happens if I put the wrong antifreeze in my car?

Using the wrong coolant or mixing different types together can hinder the car’s performance. It may also increase corrosion in the radiator. … Using the wrong coolant can lead to corrosion and other damages to the radiator, water pump, radiator hoses, cylinder gasket, and more.

Why can’t you use RV antifreeze in a car?

Adding RV antifreeze into a car’s system could be sure death for your car engine as this stuff has no anti-boiling agents. Given that it’s only antifreeze, your engine would be at risk of overheating and warping. On the other hand, mixing it in with real antifreeze would turn it to gel and create a huge mess.

How many gallons of RV antifreeze do I need?

You’ll need at least 2 to 3 gallons of RV antifreeze depending on the size of your rig. b) Use your RV’s internal water pump. If you use the water pump, you’ll need to install a pump bypass kit if it’s not already equipped since it draws from the RV’s fresh water tank and you don’t want antifreeze in there.

What happens if you ingest RV antifreeze?

You can safely ingest small amounts of RV antifreeze, especially if the bottle is labeled as safe, non-toxic, and/or non-hazardous. Generally, propylene glycol-based antifreeze is non-toxic and safe to ingest in small amounts. Because it’s non-toxic and safe to ingest, you can run it through your freshwater system.

Is RV Marine antifreeze toxic?

RV antifreeze is non-toxic and meant for pumping into the plumbing system.

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Is all RV antifreeze non-toxic?


Most RV antifreeze is safe for drinking water and won’t harm animals. Also, most are made of biodegradable material so they won’t have any negative effects on the environment if they accidentally spill, leak, or are flushed down a sewer system.

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