Just battling cyano here in my 400L, with live rock, 2 soft corals, and 4 fish (2 clowns, 1 bangaii, 1 fairy wrasse). Has a macroalgae refugium with 24/7 lighting, tank lights on for 7 hours a day. Tank is 2.5 months post cycle.
I finally got my new Salifert phosphate test kit from BRS. Now...