Posted 1/21/2013 15:17 (#2838594 - in reply to #2837799) Subject: Re: garage heating
NE Iowa
Pure water is the best, the more antifreeze in it, the less efficent it is.... or so I was told.
When we did our garage, the plumber had to put in some antifreeze to keep it flowing... the cement was about 20 degrees when he started it, and he said it came out as a slush when he first started it.