Sunday, 11 April 2021

Help Increasing Calcium Hardness

My pool installer handed over responsibility for my newly installed pool about 2 weeks ago and I'm so very appreciative for this forum. Used TF100 kit to run all tests on Fri/Sat/Sun. Started Fri with CYA at 0, today at 75 so think that's a win! Based on today's test results listed here and Pool Math, I increased SWG from 20% for 40% to raise FC to target 5. I think I need to work on Calcium next since current level is 100ppm and I plan to get waterline tile installed in the next several...

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