M Musho3210 Fish Aficionado Joined Mar 28, 2007 Messages 3,428 Reaction score 0 Aug 28, 2007 #16 you dont want inert, you want calcium carbonate rock (limestone). And yes, full of crevasses and holes will harbor life.
you dont want inert, you want calcium carbonate rock (limestone). And yes, full of crevasses and holes will harbor life.
OP OP S ShoC Fish Addict Joined Jun 14, 2007 Messages 902 Reaction score 0 Location Harrow Aug 28, 2007 #17 ahh thanks for that