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Re: [GMCnet] Pink RV antifreeze in copper pipes [message #189164 is a reply to message #189163] Sun, 04 November 2012 12:10 Go to previous messageGo to previous message
emerystora is currently offline  emerystora   United States
Messages: 4442
Registered: January 2004
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>
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> Corwin HIrtle wrote on Sun, 04 November 2012 11:55
>> Hello fellow GMCers...
>> I'm another newbie and this is my first post. I just finished
>> winterizing yesterday, so today I noticed it says "for use only in plastic pipes" on the jug of pink stuff. Is ethanol bad for copper? What Should I do? Please help, as the thought of
>> re-plumbing this old transmode about scares me to death!
>>
>> Corwin in Nova Scotia
>

The only RV antifreeze that I have used is a propylene glycol based product.
I have used it for over 30 years in motorhomes which have had copper and plastic piping with no problems.

What product are you using that has ethanol in it?

If it has ethanol then it would likely be a denatured ethanol alcohol so that it could not be injected. I would be cautious putting this into my water system unless I knew what was added to make it unsuitable for drinking.

I would suggest sticking to the propylene based antifreeze.

Emery Stora
77 Kingsley
Frederick, CO

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