I installed a 55 watt UV sterilizer in my 600 gal system two days ago and I am still dosing H2O2. Redox has reached 650 mV peak and now it is stable at 480 mV, skimmer working like crazy.
On the microscope I still spot some ostreopsis cells but not many. I see some stringy snots but they are whitish which means they are not loaded with ostreopsis. I stir the water strongly every evening when lights off to encourage ostreopsis planctonic stage and be processed by the sterilizer.
It seems to be working...
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