01-02-2013, 10:43 AM
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Originally Posted by GwenInNM
Just got back from about 2 weeks of vacation. Someone was feeding my tanks, but not very much. I added a new light to my tank about 3-4 weeks ago (Kessil LED). I came home to find brown algae on the glass. I know it's not harmful, but I'm wondering if there is something I should adjust? I have the lights on almost 11 hours, pretty evenly mixed blue/white light, but dialed up only about 1/2 way on the strength. Curious. Could it be phosphates or what?
Tank has to stabilize again. They will go away by themselves.
(you forgot to mention it is a 350w Kessel LED)