Numbers- do I need to add anything?

duraleigh

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Apr 1, 2007
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Your teswt results look fine except for CYA.

20ppm is a little low and, while it doesn't hurt anything, causes you to use a lot of chlorine.

I would suggest increasing CYA to 40 or so if you live in the North and perhaps as much as 60 if you live in the very deep South.
 

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