You do not have to drain it all at once. Do a 50% drain & refill...that should bring your CYA down to about 70-80. Then another 50% drain & refill would bring it down to about 40 or so.
Re: CYA too high, how critical is it to correct?
You do not have to drain it all at once. Do a 50% drain & refill...that should bring your CYA down to about 70-80. Then another 50% drain & refill would bring it down to about 40 or so.
Sherra
Kershaw County South Carolina
18x34 IG 2' radius rectangle vinyl liner (approx 27,500 gal) 1 1/2" pipes installed March 2006
(previous AG pool owner)
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