cloudy water in reef tank

I am setting a new 20G Nano, and have a problem with brown water: I don't really have much in the tank - just some LR from a previous tank, dry rock from Bulk Reef supply, and a few snails and hermit crabs. The sand is agronite and live sand. No playground stuff. I have tried multiple water...

My Tank Recently Came Down With Some Cloudy Water. I Am Unsure Why And How Do I Clear It Up? Weekly 15 Gallon Water Change, Bare Bottom, Siphon Regularly, am-0, ph-8.3,trite-0,trate-0, cal-420,sal-1.026, Temp 80.1 Protein skimmer Anyone Have Any Ideas??

Okay so Today I Went Out And Purchased A Test Kit AND SURPRISING EVERYTHKNG READ GREAT EXCEPT PO And Nitrate .5 Nitrate At 5.0 I did a water change and my water is still milky cloudy looking my Molly And Snail Are Still Alive So I'm Guess Nothing Is To Wrong With it But I Am Ordering My CUC On...

SO I recently had a fish die (im assuming because i cant find it in my tank anywhere) and now this morning I noticed that the water in my tank is a little cloudy. Is this a bacterial bloom and should I do something about it or let it run it's course? My corals and fish seem to be doing ok. The...