Will salt water help at all in winter?

[Lykly]

Obviously, everybody knows that salt water will not freeze like freshwater, but I'm wondering with the small amount of salt in a swimming pool, does it have any effect at all on helping pipes from freezing? I keep around 3000 ppm in my pool and where I live temps will get down to single digits sometimes. Of course I'm going to keep my pool open, and I have a variable speed pump that will keep the water moving, I was just curious if the salt water offers any protection at such a small level.


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[JohnT]

I figured this up in the past, and IIRC it makes about a half degree F difference in the freezing point. Not enough difference to even consider.

 

[JoyfulNoise]

This post may interest you - The Physics of Freezing and Freeze Protection