Out of curiosity, has anyone tried the Tetra 6 in 1 test strips with the app that automatically reads it? The app has terrible reviews but most of them aren’t complaining of that component, more the ability to add in the correct fish. I’ve always heard the liquid is better than test strips but I’ve seen a few videos by some very reputable people on YouTube who say they’re close to the same in accuracy for most people. If that’s true and the app reader worked well, that would be a huge time saver. I have my doubts though. I just know that I’m getting tired of the issues with reading pH and nitrate on the API Master Kit.