Builder did no drain acid wash... suggestions on readings


Silver Supporter
Jun 26, 2015
Glendale, AZ
Pool was brushed daily during wash, then drained, brushed again using water only & cleaned then Refilled water tested - yesteday
FC 0
pH 7.8-8.0
TA 110
CH 110

I added 4lbs CYA (96%), 16 oz acid & 60 oz chlorine, tested 24 hrs later - today
FC 6.0
pH 7.4
TA 110
CH 120
CYA- no test
Pool Temp 70

Should I leave the CH alone? Last season it climbed at a rate of about 25 per month


TFP Expert
Platinum Supporter
Aug 4, 2014
San Clemente, CA
Yes, leave the CH alone and maintain a TA on the higher side of the recommended levels to compensate until you CH rises to a more normal level.
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