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Hi, I am the current owner and caretaker of my family's pool that my grandfather had built back in the early 1970's. Its an old A&S inground gunite pool, around 30K gallons. All of the original filtration equipment has been replaced over its many years and it was re-plastered ten years ago. I...

Hi, I have been a long time lurker and have used the BBB method for several years without issue, until now. Over the course of the summer I have had a slowly rising CC level, but all the other levels held pretty constant. PH at 7.3, TA at 80, CYA at 30. Two days ago after the CC reached .80...