Well, there's sundown, then there's twilight, then there's naval twilight...
The issue of sunlight is the UV rays break down chlorine so having it work at night means one less thing to affect the chlorine. When the UV exposure passes, then it's ok.
Well, there's sundown, then there's twilight, then there's naval twilight...
The issue of sunlight is the UV rays break down chlorine so having it work at night means one less thing to affect the chlorine. When the UV exposure passes, then it's ok.
Carl
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