The pink RV style antifreeze does freeze solid though it is suppose to not expand enough to break copper pipes at least down to the rated temperature. It may break plastic before the rated temperature.
Michael Brown Windburn C&C 30-1 From: RANDY <randy.staff...@comcast.net> Thanks Rick, that's a relief to hear. I've been worried that I didn't let my A4 warm up enough to open the thermostat before sucking anti-freeze through it. I did run about five gallons of fresh water through it before two gallons of pink anti-freeze, and I did confirm pink anti-freeze was coming out the exhaust before shutting it down. Will find out next spring whether my winterizing was good enough, and will be more thorough next fall. Meanwhile it's too late now - we've already had a sub-zero night, and the lake is iced over enough to hold my stupid dogs up on the ice. Cheers, Randy Stafford S/V Grenadine C&C 30-1 #7 Ken Caryl, CO
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