If you have a CC reading over 0.5ppm, you need to shock the pool. How high depends on your CYA level. More about the CYA/Chlorine relationship can be found here:> http://pool9.net/cl-cya/
Re: Testing CC with K-2006
If you have a CC reading over 0.5ppm, you need to shock the pool. How high depends on your CYA level. More about the CYA/Chlorine relationship can be found here:> http://pool9.net/cl-cya/
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