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My 30 gal. tank is starting to get brown algae on the rocks.I used to have a pleco in it but I have a black rhom in there now,so I took the pleco out.I raised the temp about a week ago to be better for my p.What could be causing this and how do I get rid of it?Thanks.
 

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Go Bucks!
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Well 2 things to check is make sure you don't have direct sunlight on your tank and also make sure you have pretty low Nitrate levels.
 

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I had alittle bit of that on my plants in my 55 when there was no fish in there. But once I put fish in there again and did a water change it went away...

MAD
 

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joey'd is da man
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it is natural, it is caused by light, and you can scrub it off.
 
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