Are you using an air dryer? The efficiency and the units life decrease with humidity.
As long as the ORP doesn't rise too high, you should pretty much be getting all of the benefits of ozone. Some folks run it 24/7 and never reach 400mV, which is fine. I use 2 minutes every 30 minutes and that's really all i need to keep the tank clear. And I'd be afraid that if I ran it more, the desiccant likely wouldn't keep up where I live.
FB
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Just getting back in, but trying to do it right!
Current Tank Info: 40 gallon tank. SPS, LPS, few softies
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