Algae problem

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vonp

Aquarium Advice Apprentice
Joined
Feb 1, 2014
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Any idea what this is? This is a low light tank.


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Looks like Cyanobacteria. Not technically an algae. I had the most success eradicating this by significantly increasing my water movement but low nitrates and lack of water changes are also said to exacerbate the issue.


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