Discussion Starter · #1 ·
I'm getting ready to change over from my 55 to a 75 gallon and I have a few questions. When I do the change is there anything special I should do with the substrate? I can't really cal it a DSB because it's crushed coral, but I treat it like one and it has all kinds of life in it. Also I want to possible switch over to using south down, but I don't wnat to go through redeveloping my sand bed. So I was thinking of putting the crushed coral back in the bottom and then putting the south down on top of it. Are there any problems with doing this? Thanks in advance for any advise you guys can give me.