My RV antifreeze froze!
Just -27 C yesterday and I happened to notice the pink stuff in the toilet bowl was solid. Not like water ice; more like frozen slushy. The antifreeze in the jug marked good to -50C was the same. I...
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I must be about as tight as you buying RV antifreeze from a yard sale. I use Bud Light and have never had a problem with it freezing up. In the spring we have a Motor home summerizing party. Don't waste anything.
