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matt 76
04/16/2016, 04:46 PM
Does anyone know what this algae is?
http://i129.photobucket.com/albums/p215/rickyrouster/Mobile%20Uploads/20160416_153502.jpg (http://s129.photobucket.com/user/rickyrouster/media/Mobile%20Uploads/20160416_153502.jpg.html)

csammis
04/21/2016, 11:47 AM
Are the leaves flat? If yes, I had a similar looking algae crop up shortly after I started my tank with sea lettuce in the sump. I never positively IDed it but I figured they were sea lettuce sprouts. GISing for "Ulva" gets some results like yours:

http://www.cibsub.cat/bioespecie_en-ulva_rigida-32835

http://www.cibsub.cat/rcs_gene/Ulva_rigida_1.jpg

Moeshi
04/21/2016, 04:10 PM
Enteromorpha sp.

Subsea
04/25/2016, 03:11 PM
http://marineplantbook.com/marinebookenteromorpha.htm