Unable to get CYA down-draiing pool

Lynnlaake

Member
Aug 22, 2021
20
Johnson City, TX
Pool Size
6800
Surface
Vinyl
Chlorine
Liquid Chlorine
Hello All, so after many weeks of continuing with high CYA and chlorine levels we drained it. The CYA was steady at about 160 and chlorine was 36, with alkalinity at 230. So we drained it with a water hose this weekend and are ready to get it prepared then close it up for the season.
I vaguely recall reading that if we don't clean properly, the high CYA will remain. Can someone please instruct me on what we can use to clean it properly? Thank you.
 
The CYA will go out with the pool water, It does not leave any residue behind. However, algae can remain behind if you had any. You can wash down your pool with a mixture of chlorine water to remove any algae.
 
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