Thanks for the link.

I read through that thread but was left even more confused. I really didn't see anything in that thread that discussed the need/benefits for using CYA and why it's better to use it than not. The focus of the thread seems to be on Kent Williams and the disagreement with his recommendations and how some here do not like him. But the link I posted was written by Richard Kinch. In the thread you mentioned Ben/PoolDoc says this:

"...Richard knows more about the chemical relationships among chlorinated cyanurates in pools than anyone I know . . "

Is he talking about the same Richard? If so, then I'm really confused as Richard seems to be advocating not using CYA.

As I'm certainly FAR from being and expert (just a pool owner who's trying to learn how properly to take care my pool without wasting a bunch of time and money on it) I would greatly appreciate some guidance and clarity.

Thanks.

PS - If it matters, I have an outdoor IG 20k gal. vinyl pool with an Aquarite SWG and Hayward DE6020 DE filter.