SWG pool. I did a Jack's Magic Copper and Scale Tx. It took 4 weeks, and results were only marginal. Here are my numbers now:
FC - .5
CC - 22
CYA - 30
Salt - 4000
Ph - 7.2
TA - 6
The pool place says my phosphates are at 2500ppm. I dunno. They said a lot of other stuff that wasn't true...