Well, you do have a lot of stuff in there. One thing I notice is the cannister filter. Big nitrate factories they are!! What is your NO3 and PO4 levels? If you don't measure them, you should. Both of these feed algae. What is your water change schedule? What type of water do you use for water changes (RO, DI?, Tap)? Do you feed a lot? If so, cut it back a bit.
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Brad
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