Join Date: Feb 2010
Location: Narragansett Bay
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Re: Winterizing With Brine
You would have to dissolve a serious amount of salt to make much difference. Sea water, for example, will freeze at 28 F. Saturated salt water, where it won't dissolve any more solids, will protect below 0 F, if I'm not mistaken. That's approx 1 part salt to 2 parts water, but I don't think it will do as well as the basic -50 F anti-freeze.
I will admit that I like the thought of a product you might put in your fresh water system that has no chemicals. I'm wondering how long it would take to flush out, since adding more water will just continually dillute the salt water. Of course, the corrosive affect could be very bad on fixtures.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.