Quote Originally Posted by PoolDoc View Post
Strip based testing of CYA is HORRENDOUSLY inaccurate.

Watch the video of the Taylor CYA test if you want to validate your testing: http://pool9.net/tk/
I've tossed the strips and received a K-2006, so the reading of 50 ppm CYA is from my Taylor kit. It could be inaccurate, since it was my first time performing the test.