What is your FC? I doubt 1.5 "more" is within the testing error.Did the OCLT, FC was actually a little higher this morning than my test number last night. Is that just the + - degree of error in testing? My FC was only 1.5ppm higher. Pool is clear.
I'll do another test tonight and see. If numbers are correct, I've hit 2 of 3 qualifications to be done with the SLAM. Will have to test CC in the morning to see if I hit the 3rd, and then swimming this weekend!!Agreed, but no biggie. It's easy to be off a drop or two...or a have little sample size variation. You're right though, can't make an FC gain at all.