A aidenb Feeder Fish MFK Member Nov 26, 2007 1,420 3 0 Canada Jul 14, 2010 #1 How would I go about changing the substrate in my 180, would replacing it all at once screw up the BB too much and restart the cycle? Or would it be ok as most of the BB is in the filter
How would I go about changing the substrate in my 180, would replacing it all at once screw up the BB too much and restart the cycle? Or would it be ok as most of the BB is in the filter
jizon82 Feeder Fish MFK Member Dec 20, 2007 400 0 0 outside Jul 16, 2010 #2 i think there is some in substrate but mostly filter.
B BlackShark11k Jack Dempsey MFK Member Jul 8, 2009 3,565 8 36 somewhere Jul 16, 2010 #3 What kind of substrate and how much?
