Hey Mic. I do a bunch of things that I believe give my corals good color. I run ROWA Phos which is Granular Ferric Oxide as one way to rid of phosphates. I also have a DELTEC AP701 that is rated for 400 gallons thats gravity fed. I supplemental dose do my water changes make sure my bulbs are fresh I feed pretty heavy...etc. I don't believe that there is one way to get good color but I do think most ways are similar. Thanks!
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