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Black Crud

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WingNut View Drop Down
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    Posted: April 22 2007 at 10:38pm
I added a couple of brittle stars to my tank.....

Do they put out slicks of black crud on the sand?

Do i need to be concerned with the crud? Should I try to get it out?
W. Nut
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlesr1958 Quote  Post ReplyReply Direct Link To This Post Posted: May 22 2007 at 9:03pm
Not that I am aware of, and am unsure of what the "crud" could be other than detritus or a cyanobacteria species.
 
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Mark Peterson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark Peterson Quote  Post ReplyReply Direct Link To This Post Posted: May 24 2007 at 10:16am
Black Cyanobacteria?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Charlesr1958 Quote  Post ReplyReply Direct Link To This Post Posted: May 24 2007 at 11:19pm
Yup, black, it also comes in green, red, and purple. There are a great many species of this bacteria.
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark Peterson Quote  Post ReplyReply Direct Link To This Post Posted: May 25 2007 at 6:17pm

Cyano is the only black stuff I know that would appear overnight. It is not as palatible to snails and hermits, so stopping the feeding for 5 days is the best way to stop it.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote WingNut Quote  Post ReplyReply Direct Link To This Post Posted: June 03 2007 at 7:38pm
I threw in a gold headed sleeper goby who does nothing but sift sand.  No more crud!
W. Nut
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50 Gallon Sump/Refugium
ASM G-3 Skimmer
Korallin Calcium Reactor 1502
Barracuda Sequence Reeflo Pump
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