Where the heck can i find black gravel? and how many pound bags to nicely cover a 120 gallon wide tank? the only thing i have found is onyx gravel and i wasnt sure if it was healthy for the fish?
is this a good deal?
http://www.animalworldnetwork.com/gravel.html
how many of those to cover my 120 gallon?
is this a good deal?
http://www.animalworldnetwork.com/gravel.html
how many of those to cover my 120 gallon?

