what is this??

Big_Als_London

Super Active Member
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Joined
Feb 17, 2011
Location
London, Ontario
reeferkeeper420 said:
How do i get rid of this stuff looks like black feathers.

Do some research on Kent marine magnesium eliminating it. I think there is a huge thread on Reef Central as well as I believe a few members on here have used it to eradicate it.
 
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