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my TA is 220, yet PH 7.4, FC 4, CYA is high 120, CH 230, 10k gallon in ground fiberglass pool, had been use BBB method for past few months, and I used cholrine granules 3 times in past 2 months as FC levels dropped below 1.5, 2-3 oz at a time just to spike it back up, unusal warmer weather...

So been a few weeks now since dupped by pool store, been using the BBB method suggested by several folks here along with "pool calculator" , however testing water every day and TA is way high, while others are within range, yesterday FC 1.8 PH 8.2 TA 290 CYA 30 so yesterday added weight wise...

I just had to drain more than half my non salt water pool, because TDS was over 2500 (meter was pinned , so sure closer to 3000), was told by 2 different people, one mgr of pool store other owner of pool cleaning business, that adding liquid chlorine will jump TDS to levels like it did mine over...