After using Phosbuster Pro probably about 30 days ago, I'm still seeing cyano bacteria in my reef tank. I decided to go ahead and dose the tank with ChemiClean to erradicate this stuff so the corals don't risk getting smothered. I waited patiently but it isn't going away quickly enough.

During treatment, the skimmer is turned off for 48 hours. Time to make another 55g for a water change. The label states to change 20