Grist Comment Feed en http://www.grist.org/article/2009-03-18-umbra-on-hot-tubs/ Wed, 18 Mar 2009 09:32:34 -0700 http://www.grist.org/article/2009-03-18-umbra-on-hot-tubs/1 I have had the dilemma on my hot tub since we bought our house. I have it off now but I wonder if i should drain and cover.

]]> I have had the dilemma on my hot tub since we bought our house. I have it off now but I wonder if i should drain and cover.

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