S smithj427 Feeder Fish MFK Member Jun 10, 2008 341 1 0 Edmonton, Canada Nov 21, 2011 #11 you don't need a substrate, the plants could benefit from one but not much so if you don't want to add one then don't bother
you don't need a substrate, the plants could benefit from one but not much so if you don't want to add one then don't bother
