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greenaqua · 01-25-2013, 02:31 AM

Also, saw many pics on this forum where the light was kept at least couple of inches above the tank... Is that only for aesthetics? or any light physics involved?

01-25-2013, 02:31 AM	#7
greenaqua Algae Grower (View User Tanks) PTrader: (0/0%) Join Date: Jan 2013 Location: Washington DC Posts: 55	Also, saw many pics on this forum where the light was kept at least couple of inches above the tank... Is that only for aesthetics? or any light physics involved?