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Old 05-26-2013, 03:50 PM   #1
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Join Date: May 2013
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White grass like substance griwing on rock

Can anyone tell me if this white grass like growth is harmful to my tank? What is it?

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alw221989 is offline   Reply With Quote
Old 05-26-2013, 05:49 PM   #2
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I'd like to know too because I have some of them. But not that many! Only like 2 or 3 little 'trees' in my whole tank.
minkin is offline   Reply With Quote

grass, rock, substance, tan

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