I have a biocube29 (all in 1, When I say "sump", I am referring to both the middle section and pump section of the back). I just setup an ATK with the sensors in the middle section, and it is working fantastic for auto-top-off. Finally my salinity is really stable as opposed to me just dumping half a gallon of water in once a day in the back. Awesome module. It is connected to my APEX; not standalone. Programming for the PMUP output is the standard programming from the ATK setup task.
I'm getting ready to do my first water change since installing it, which consists of turning the pumps off, siphoning out 5 gallons, and adding 5 gallons back. My question is, how do I manage the ATK throughout this process? When i turn off the pumps, the sump of the tank will backfill, rising above my high water sensor, then for an very short period of time until I can equalize it the water level will drop well below my low water sensor.
What do I do with the ATK during this time to prevent it from running the PMUP when it is below the sensor, as well as prevent it from sending me alarms when the sump backfills above the high sensor? Do I just change the PMUP output to OFF instead of AUTO, then set it back when I am done with the water change and the level is equalized at the low sensor?
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