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- Jun 7, 2018
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Have a refugium full of algae and clams. Ya.. very sad.. hope the rest of the fish last the night.I'd think your tank could easily operate above .1 ppm of phosphate but growth will be slower. The corals look great. I'm truly sorry for your loss. Like others have said, do some water changes and use a LC product until you slowly get the level to stay down. That'll take quite a while. In the meantime, put in more clean-up crewmembers to help with the turf algae. If you have elevated nitrate also, a cheato fuge and some iron can help.