I am having a hard time testing my CYA level. It still appears as though it is at zero, although it is kind of subjective as to when the cloudy water obscures the black dot at the bottom of the small tube. I have been adding stablizer a little bit at a time, but want to be careful not to overshoot.
I have this test kit:
Any suggestions? Am I doing this wrong or is there a better way to test your CYA level?