💧 Apera Instruments Economic Waterproof Accuracy: Uncompromising Precision at Value Price Review

I use this sensor to test the pH of my pool about 5 times a week and am very happy with it. I only had to recalibrate once because I accidentally pressed the power button too long and put it into calibration mode and then put it in the pool. It didn't matter much as this solution is easy to recalibrate. Stay away from cheaper models that aren't waterproof and come with powder sizing solutions.

I love my new pH pen. So incredibly easy to calibrate, trust me. My last pen had these little screws that needed to be turned. I'm so glad I don't have to mess with this tedious task. Had to send back the first one, it just wanted to calibrate itself without pressing the calibrate button. I got a new spare PH pen a few weeks ago. and she's great again 0 issues with the NEW replacement grip. thanks amazon for the really EASY exchange, the new pen came way too fast if possible. Yes, I was amazed…

I have tested this pH probe with three buffer solutions of pH 4, 7 and 10. It was easy to calibrate and very accurate over the entire pH range. The glass bulb is well protected by a plastic housing. It is easy to wash and wipe dry. Batteries are easy to insert and remove for temporary use. I have used this sensor several times on dilute solutions of known pH and its accuracy has been within 0.1 pH units. The plastic carrying case is handy and goes well with this pocket pH meter. I highly…