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    CH Over 700 - Is This Too High?

    Got my TF test kit last night. In a former life I had to perform once-daily checks on boiler feed water so it was like the good old days... I did each test THREE times just to make sure I was doing it right, especially the CYA test. My results: FC 8 CC 0 TA 150-160 (15 to 16 drops) CH...
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    What is Correct CYA Level for Phoenix, AZ Pool?

    New member. I have a 25K gallon in-ground plaster pool, in Phoenix, AZ. CYA is over 150+ per Leslie's. I have ordered a test kit and extra reagents. I will pump out 40%-50% of pool volume to lower CYA. Since I am in Phoenix, will full-on sun until at least 2pm or so each day, I am...