Wow, the Apex operating system should not have allowed the dosing pump to switch from Auto to On. It's strange to see that it happened again. I can see how the email notification alert can help people, I've never been able to figure out how to use that function, hahaha. It sounds like you had a lot of problems with the Apex. That's unfortunate. I think the biggest problem I had with mine is the salinity probe kept giving me bad readings. I'm on my 3rd probe now. Do you run yours on the local network or the other one (non-local)? The guys over at Apex told me to run it on the local network; they said something about the reliability and connection is much stronger but I'm not sure how that would have helped in your case. I figured, it would probably be better for you either way.
Sorry for the late reply.
Sorry for the late reply.