Getting my CYA level down and then what?

Let the water circulate a while. Brushing helps set up some cross currents to really get things mixed well.

Take a full set of readings and then adjust pH first, and then set the FC level appropriate to your CYA level.

Or post the results here and wait for someone to offer specifics. It will help a lot if you fill out your signature so we know the pool surface and your chlorine source.
 
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