Yup. That's UV that causes the difference. Maybe you can sneak in one more test and add as soon as you get home from work?
Re: CC higher than FC
Yup. That's UV that causes the difference. Maybe you can sneak in one more test and add as soon as you get home from work?
26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO
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