For those of you attending MACNA this coming weekend, keep an eye out for me demonstrating a prototype of my Alkalinity Monitor device. It is capable of interfacing with any controller that can accept a pH probe's input. It has both an accuracy and also a precision of +/- 0.05 dKH. I'm thinking this could be a game changer.
Here is an Apex graph of two day's worth of monitoring of my tank, showing a small daily alk swing in response to the photoperiod:
Here is an Apex graph of two day's worth of monitoring of my tank, showing a small daily alk swing in response to the photoperiod: