Search this site or the internet and find a program called bleachcalc262.exe. According to this program, in order to rasie the chlorine level in my pool by 1.0 ppm, it told me to add 1 gallon of bleach. My pool is apprximately 40K gallons. I added a gallon of 6% bleach and chlorine increased by 1 ppm. Bleachcalc works great!![]()
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