Based on a CYA of 60, TFP recommends a FC of 7-9, but my pool shop says 1-3. Am I missing something obvious?
There's also a discrepancy on pH but that's much less of a difference...7.4-7.6 vs 7.7-7.8.
I'm just curious why this might be, and what I should do, especially with FC.
There's also a discrepancy on pH but that's much less of a difference...7.4-7.6 vs 7.7-7.8.
I'm just curious why this might be, and what I should do, especially with FC.