I set up my frag tank a few weeks ago. I used RO/DI water and Red Sea salt. I am running a Remora HOB skimmer, but no other filtration. Params are all in check: Phosphates - 0.5, Nitrates - 0, Calc - 440, Alk - 11-12
Any suggestions on why I would have cloudy water? What to check for?
Any suggestions on why I would have cloudy water? What to check for?

