Oct 21, 2012 #1 crister13 Aquarium Advice Addict Joined Aug 2, 2011 Messages 3,473 Location Princeton, NJ I have an algae problem and I would like to do a blackout for a while..... I have corals. How long can I do it without hurting the corals?
I have an algae problem and I would like to do a blackout for a while..... I have corals. How long can I do it without hurting the corals?
Oct 21, 2012 #2 Liberty Aquarium Advice Freak Joined Sep 25, 2012 Messages 210 Location Tampa I here no more then 3 days