Brown algae

i have heard about something called chemi clean. It is supposed to be reef safe and kills cyano for a while. I have never used it mabe someone on here has. Best to be sure. i would think that it is only a band aid though. Algae is best controlled by lowering nutient levels and providing good water flow through your tank. what kind of skimmer are you using. Are you running bioballs??
 
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