Retested....I'm having difficulty distinguishing between the varying degrees of yellow. My eyes are crossed from staring at it so hard. Ha!

I wish I could put a picture of the test on here.

I -think- it calculates to a chlorine level of 15. But I had to dilute the sample 4:1 just to get a read. Looks like it matches most closely with 3. So I multiple that by 5, right?