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 Post subject: Antifreeze for engine winterization
PostPosted: 31 Oct 2018 19:11 
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Skipper

Joined: 21 Jan 2010 12:57
Posts: 168
In the past I've used green colored antifreeze for freeze protection of the engine. Is the pink stuff used for plumbing protection a viable alternative?


 
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 Post subject: Re: Antifreeze for engine winterization
PostPosted: 02 Nov 2018 03:25 
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Skipper

Joined: 09 Jul 2008 12:51
Posts: 251
It's RV antifreeze, environment friendly stuff. And it's the same as the green stuff. I used the pink stuff in the drinking water lines on my RV and my boat but there's no reason it can't be used on your raw water engine intake to winterize.... I used it many times.


 
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 Post subject: Re: Antifreeze for engine winterization
PostPosted: 02 Nov 2018 18:39 
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Skipper

Joined: 29 Dec 2006 09:38
Posts: 656
I have always used the pink, non toxic stuff for engine winterization with no problem. All the boatyards I know use it pink. I would not use the green stuff that has a lot of toxins in it that was made for the closed cooling system on the freshwater side of your system. It is very poisonous. If your dog drinks it, he dies. There is orange anti freeze that is also toxic that is used in the closed side—would not use that either for winterization.
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