ID help needed - flakey green algae? growing in sandbed

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muffinmanXL

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Hi reefers, can anyone help ID please the circled, green flakey algae multiplying on my sandbed? They are loosely connected, if at all, to the substrate and moves around with strong current. I do not believe they are flatworms as I have not seen them move but they seem to be multiplying faster than I can remove them

Thanks!

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muffinmanXL

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Looks like some kind of green macroalgae in the family Ulvaceae. These are faster growing algae that thrive in nutrient rich environments; some, like sea lettuce species in the genus Ulva, are popular in refugiums and are nutritious for herbivorous fish.
Thank you!
 
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