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I do. It sounds like I need to cut light way down. I am worried that I will kill chaeto if I turn it all the way offDo you have a light on in the sump?
Turned off the lights and my CUC drastically cut down the algae. Thank you!Turn off all the lightson the tank and sump. Run it for several months with no light, keep no3 and po4 low, keep flow high and dose bacterial. No food and no light means no algae growth. Fish dont need light only corals do so it won't hurt to not light the tank until you add coral.