View Single Post
  #13  
Old 02-06-2006, 03:52 PM
mr_alberta's Avatar
mr_alberta mr_alberta is offline
Member
 
Join Date: Apr 2003
Location: Edmonton, AB (University Area)
Posts: 2,506
mr_alberta is on a distinguished road
Default

How big is the tank? 13 fish could be agression depending on tank size. I'm guessing something stessing them out at night as well. Or it could be a drop in O2 levels...just a guess though.
Reply With Quote