[GSAS-Member] Difficult algae.

[Bob and Judy Holmes <jbholmes@nwlink.com>]

Hi Darcy. Sounds like you've got some colonies of freshwater diatoms 
growing in there. I had the same problem in the Mt. St. Vincent nursing 
home tank that I take care of, which is acrilic. I get rid of it with a wad 
of nylon mesh fabric you can buy at any fabric store. It's cheap, around 
$.79 a yard. Doesn't seem to bother the acrilic.
I agree with Susan that a pleco would probably work also. I acquired one 
recently and it has made a believer out of me.
Hope this helps.
Bob

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