It's hard to say if turning the skimmer off did anything for the dinoflagellates. The hydrogen peroxide made the biggest difference. The UV and increased water flow were also a big help.
I dosed kalkwasser during the day to raise the pH, fed the fish less, ran GFO and carbon as well, but I didn't see huge differences with them in the past, so I can't say they contributed much individually, but doing all of them together with the peroxide, flow, and UV removed all the Dino's.
Leland
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