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  1. Nano Reefs
    I've been trying to get to the bottom of why I have such a large bloom of diatoms right now. The bloom is so bad that the tank gets a thin brown film in a day and in a few days I get long strings coming off of everything. I've tested my water and the parameters are: Calcium: 440 mg/L Copper: 0...
  2. General Reef Discussion
    I was reading a thread about two days ago about how it was normal to have PH swings from like 8 to 8.4 during day and night. My question is, what about the people who keep their calcium really high at like 450ppm? So assuming your PH is at 8 when you measured it, once the PH swing happens, and...
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