Thank you Leebo.
I follow the Taylor instructions to the letter....first test I did was the 0 to 1000 ppb test.....solid dark blue. Did it again, same thing. THEN, did the 0 - 6000 ppb test. Same result.
For the 0-1000 test:
1. rinse/fill to 5ml (and I'm OCD so I get it almost...