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Here are my numbers: FC - 3.0 CYA - below 30 (in process of adding/dissolving) PH - 7.6 TA - 200 Calcium - 180 33.000 gallon plaster pool. Questions: 1. my alkalinity always seems to run around 200 but ph doesn’t shift too easily so is that a problem? Should I lower it? 2, Calcium is...

I have a plaster pool 30,000 gallon. We opened it this morning and removed large debris (mostly leaves). Pump/filter is running and slowly raising water back to half skimmer level as it was a little low from closing. Pump is pulling from main drain currently and then will switch to skimmer...

Hello! I am opening our pool for the year and every year I feel like I have to relearn and remember how to do everything! My question is that I put 1 gallon 10% bleach in (30,000 gallon gunite pool) each day the last 2 days after opening and my free chlorine is barely registering the day after...

Hello, I need help. I have read the Pool School info already. I have had cloudy, somewhat green water for 3 weeks now. We put our pool in late last summer and it's been crystal clear up until 3 weeks ago. The pool now won't hold chlorine despite the pool stores' continual advice to shock...