View Single Post
  #2  
Old 02-25-2011, 12:41 PM
mark's Avatar
mark mark is offline
Member
 
Join Date: Nov 2002
Location: Edmonton AB
Posts: 4,212
mark is on a distinguished road
Default

Wouldn't be worrying about the urchin releasing anything, but with nitrites might be wanting to do more than just little water changes.
__________________
my tank
Reply With Quote