- Location
- Garden city
So I have my 72 led fixture and came with the 80degree optics was wondering weather or not to put the on? My tanks only 20" deep most sps middle to top !
								
								
				
			
what are the dimensions of your tank? I would use the optics personally, if not simply to reduce light spilling over the tank.
So I have my 72 led fixture and came with the 80degree optics was wondering weather or not to put the on? My tanks only 20" deep most sps middle to top !
 
                     
				