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purple algae? good or bad in a tank?

Posted: Mon Jan 31, 2011 1:36 pm
by lesleyanndunn
I've noticed over the last month or so, I've been getting purple velvet type algae
It grows on the background in the tank, the ornaments, and now the leaves of the plants

anyone know what it is?

only new thing that I added about a month ago, was a plant food which is not meant to encourage algae growth.
i only add a few drops every 2 weeks as stated on the box.
my lights are on 6-7 hrs a day, so not too much light, and I dont have excessive nutrients in my tank
i do 50% weekly WC, with prime, and stir the sand and vaccuum the substrate well, and have 2 internal filters on my tank

its not unsightly, as its not all over the tank, my glass and substrate are spotless.

just wanted to know what kind of algae it is

Re: purple algae? good or bad in a tank?

Posted: Mon Jan 31, 2011 1:48 pm
by Pufferpunk
Sounds like cyano.

Re: purple algae? good or bad in a tank?

Posted: Mon Jan 31, 2011 2:00 pm
by lesleyanndunn
is'nt cyano a very fast growing algae and is slimy?
i remember red cyano on my marine tank, and it was different from this tho?

Re: purple algae? good or bad in a tank?

Posted: Mon Jan 31, 2011 2:01 pm
by Pufferpunk
I have dark green cyano in my discus tank. Can you post a pic?

Re: purple algae? good or bad in a tank?

Posted: Mon Jan 31, 2011 2:39 pm
by lesleyanndunn
will try, its very hard to see with a camera
it would remind me more of a moss, very slow growing.
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Re: purple algae? good or bad in a tank?

Posted: Mon Jan 31, 2011 4:12 pm
by lesleyanndunn
an ID of brush or beard algae has been suggested?
google search seems to indicate thats what it is.