Quote Originally Posted by keithw
I am letting evaporation and splashy kids lower mine steadily and slowly. I just chlorinate up to 8PPM at night and let it work down to 5PPM and then move it back up to 8.
Evaporation will not get rid of CYA - it will not leave the pool. Splashing the water out would get rid of the CYA that is in the splashed water - but it is way more effective to do a partial drain/refill.

I think some people here have done a 3-4" drain and refill every couple of days until the CYA level is down to a manageable level. It will also cool down the pool