Jan 17, 2014 #1 M minkin Aquarium Advice Activist Joined Mar 13, 2013 Messages 174 Can anyone tell me what is wrong with my Yuma. It is starting to go black on the right side.
Jan 17, 2014 #2 fort384 Dividing by 0 Site Team Joined Nov 23, 2008 Messages 13,931 Location Illinois Can you tell us more about your tank, the coral's placement, and your water parameters?