Definitely needs more red LEDs. The screen looks like 15 x 20 cm. At the very least, the LEDs you have should be 3 watts each, and be 660 nm Red. But could probably take twice that much light.
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Type: Posts; User: SantaMonica
Definitely needs more red LEDs. The screen looks like 15 x 20 cm. At the very least, the LEDs you have should be 3 watts each, and be 660 nm Red. But could probably take twice that much light.
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Looks like one of the screens is not getting bubbles.
Nutrients are high in your water, and you are getting slime:
http://www.algaescrubber.net/SlimePics.jpg