Hey guys!
So I made this scrubber and have had it running since October 18th... I have the water flow coming from my filter. The scrubber is powered by 4 gem 5 lights. I initially had the lights in a pair together concentrated on the center but have since spread them to form a “+” sign. Anyways, it looks like it’s filling in well. I rinsed it under tap water yesterday agitating it with my fingers and almost none of the algae came off. Am I on the right track with assuming the center is burned out and spreading the light pattern like i did in the picture can help with the problem?
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