Just finished a Color Pro discussion elsewhere. It's here if you want to read it: http://www.poolforum.com/pf2/showthread.php/23450

If you want to see how the K2006 kit works, you can watch these videos: http://pool9.net/tk-guide/.

Regarding CYA levels, you can run your pool at anything from 20 - 200 ppm -- but you have to adjust chlorine levels accordingly. See http://pool9.net/cl-cya/ SWCG (salt water chlorine generator) makers usually recommend (or require) levels from 60 - 80 ppm.

. . . membership updated.