Originally Posted by Gti_Leo
i beg to differ that algae outbreaks are tied to lighting, sure less lighting can help with less algae but its not the root cause of it.
my lights are on 16 hours out of the day and i have nothign buyt coraline algae growth.
keep your nutrients down and water columb good and algae stays away. when you neglect your PWC
and your nutrient levels is when you get issues
Re-read his OP, he stated he replaced his lights and then the algae showed up. When you replace lights, it can trigger an algae outbreak if your water is less then clean. The new lighting will provide more food for photosynthetic organisms, algae being one of them. By limiting his light cycle, he can catch up on pwc
's, export the nutrients, and get it under control.