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longtran
03/29/2013, 12:45 AM
This stuff is starting to grow. Its nothing like a leaf algae. It breaks into crust when I rub.


http://i19.photobucket.com/albums/b184/longtran79/20130328_223051_zps5692d2da.jpg

alexander_ktn
03/29/2013, 01:47 AM
It's a Halimeda sp. algae, maybe H. opuntia.