No, I'm not sure why. But I don't think raising it quickly will be useful anyways. My suspicion is that the probe needs a while to adapt also. What I do is set it to come up for about 2-3 minutes every half hour and turn off if the ORP rises to 400. I just slowly ramped up to this starting with 1 minute every hour to 1 minute every 3o minutes, etc. Now I'm at about 2 minutes every 15 minutes and it's around 400 mV. But just ramp up very slowly and I think everything will be both more stable and accurate. Instead of running it all at once in the morning, I would just divide up the dose as best you can over the day and just slowly adjust the total dose.
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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