
Originally Posted by
Poconos
I question the statement about the mix of AF & water, not saying it's wrong. I just checked a jug of RV antifreeze and it stated burst protection down to -50F undiluted. Just means it won't freeze solid. I also checked an old jug of ethylene glycol (green auto stuff) and it's vague about the concentrations. They stated a 50-50 mix is 'best overall' protection whatever that means. Then on a separate chart they list the concentrations for 40, 50, and 60% and the freeze and boiling points are still dropping & climbing at the 60% level. So...I always used the RV stuff straight, undiluted.
Al
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