10-08-2012, 02:33 PM #31
Brown algae is caused by excess silicates, high nitrates, low o2 and lighting conditions, all of these issues can be remedied ,however. It sounds to me like yours came from nitrates and lack of oxygen, maybe silicates depending on your water supply/ substrate type or both.
Last edited by jeffs99dime; 10-08-2012 at 02:36 PM.
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