Follow up! I believe in reading the trends of my DKH AFTER a baseline has been established. I was having a heck of a time getting My alkatronic, Hanna and Salifert test kits to jive- or even come close to achieve the baseline
Problem 1: The calibrations were off on pump A and C. it was off by 2ml.
Problem 2: The reagent I was using in my Hanna was off by several points. Verified at My LFS testing my water with their tests.
Problem 3: I believe that my reagent was not mixed properly. I made a new batch using the proper tools. A scale and measuring cups in ml's from amazon. Validate the measure of the scale and ML marks on cup. Mixed a new batch of reagent.
Results: My Alkatronic is reading my DKH at expected levels and match my Hanna. I tested several times for both and have gotten the expected results each time. The lessons learned were that calibration and mixing reagent is Key! I also needed to do a better job understanding how my Alkatroinc works. Off the shelf DKH testers can have reagent issues. Probably not common but something to be aware off while trouble shooting.
Love my alkatronic! thanks for the help