It will actually start to freeze at around 0 - 10 degrees F. The advantage of the RV antifreeze is that unlike water, it does not expand when it freezes, hence no damage results. I have been in -20 temps and use RV antifreeze in both the rig and our stern-drive boat and have never had damage. I think you will be okay.
Bingo
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Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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