For years when adding CYA to the pool I have always added it to the skimmer. Usually in 5 pound bags. It always stayed in the skimmer for a while and then dissolved. I was always told not to back wash for at least a week. While reading some of the posts on this site I read a neat trick of putting the CYA into a sock and putting it in the skimmer basket. I like this idea because it seems a little cleaner and CYA doesn't spill into the pool and doesn't clog up the skimmer.
1. Why can't the CYA be added directly to the pool. (Like dropping a sock into the pool)
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