On Thu, 17 Mar 2005 18:10:04 GMT, Quiet Reef
wrote:

Hi the

Do any of you think it would be possible to use tiny glass beads 1-2mm
in the substrate? They would be inert, wouldn't they?


They will work. I've seen it before. I've been thinking of trying dry,
dead beach sand...once I sift the cigarette butts and other tourist
trash from it.