Ozone and CO2 scrubbing

[ScottF]

I use both a CO2 scrubber and an ozone generator on my reef. The CO2 scrubber works best if I humidify the air that is going into it. The ozone generator works best when you use an air dryer. This means that I don't want to put the scrubber in-line before the O3 generator.

I use a motorized ball valve to switch between the two devices. I have been running the O3 for 30 minutes every night at 3:00 AM, but I noticed that my pH falls off a cliff at 3:00 AM. I'm guessing that this is from the lack of CO2 scrubbing while the Poseidon is running.

Anyone have any ideas how to mitigate this pH drop? I dose kalk and run my fuge lights when the main lights are off. I am trying to level out my pH as much as possible. For now I have disabled the O3 generator in my Apex.

 

[ScottF]

The solution that I came up with is to remove the CO2 scrubber and run a line to the outside for my skimmer and O3 generator.