WillskE Posted September 10, 2011 Report Share Posted September 10, 2011 so i just turned my old aqua one 980 into a cold water with wc mountain minnows as days pass theres more and more brown spots growing and spreading in the tank, first was the glass then now its all covered up the gravel which makes it look like i have brown gravel oh and its also covered the plants too, its easily wiped off but it just grows really fast just want to know what is it? Quote Link to comment Share on other sites More sharing options...
Zev Posted September 10, 2011 Report Share Posted September 10, 2011 They are diatoms, common in new tanks, they should diminish after a few weeks and are harmless to fish and plants. If you find it really annoying because you cannot see in the tank you can wipe it off the glass. Quote Link to comment Share on other sites More sharing options...
WillskE Posted September 11, 2011 Author Report Share Posted September 11, 2011 well its been for about a month now, its making the tank look really dirty.. Quote Link to comment Share on other sites More sharing options...
Squirt Posted September 11, 2011 Report Share Posted September 11, 2011 Suggestion: wipe it off and do a water change :thup: Quote Link to comment Share on other sites More sharing options...
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