When to add CYA when converting from Baqua to Chlorine

May 18, 2009
2
Love the website. I've learned so much. Started the conversion last Friday. Pool looks great! Still losing 3 ppm at night, though (from 15 to 12), with about 1 ppm CC. Just wanted to confirm that I should wait to add CYA until the pool meets the three basic preconditions for starting to balance everything.

PH 7.5
TA 100
TC 175
 
Welcome to TFP!

When doing a baquacil conversion, you should first wait for the FC level to hold overnight. Then change the filter media, then add CYA. After that, if the CC level is still above 0.5 continue with FC at 15 until CC is 0.5 or lower.
 
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