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1,135 Posts
You'd be surprised by how many members are running 10-12 hr light periods without a hind of algae while others who are on an 8hr photo period cant seem to get rid of it. I would start off with 8 and after a few weeks if you don't see any algae, increase the time...or vise-versa.
I was actually able to increase the time from 8 hrs to 9 simply by raising my light 2".
I was actually able to increase the time from 8 hrs to 9 simply by raising my light 2".
