nutriants

hello all I am new to reef2reef and I’m having a little trouble, I am dealing with some pesky, what I’m thinking is either Dino's or Calothrix. I’ve been trying to get nutrient levels up but can’t seem to. Can’t even keep Cheato alive which I’m assuming with a new-ish tank this is going to be a...

I've been struggling with NO3 and P04 balance lately. Around the end of September all my fish died one by one from ich and the NO3 went up to 50 - 100, then I got all the remaining fish out and went fallow up to now. After a lot of water changes I managed to get the NO3 down to 8 the lowest...