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leon
11/25/2000, 12:55 AM
I need to know if this algae is good or bad, it is starting to spread and is thick on one of my rocks. It is dark maroon in color and looks like velvet.

Thanks

billsreef
11/25/2000, 08:39 AM
Looks like velvet?

If you try and disturb it does it come up in thick sheets?
If so it is cyanobacteria, usually just refered to as cyano on the boards. You will want to get rid of this stuff.

Use the search funtion on RC using cyano as the search word and you should come up with some good threads on how to deal with this stuff.

leon
11/25/2000, 11:45 PM
Thanks Billreefs, will get rid of tonight.

Leon