The Planted Tank Forum - View Single Post - Website for cheap substrate?
View Single Post
post #9 of (permalink) Old 01-12-2013, 06:21 AM
Planted Tank Guru
DarkCobra's Avatar
Join Date: Jun 2004
Location: Baton Rouge, LA
Posts: 3,349
If none of these options are cheap enough, I vaguely recall seeing one other option discussed years ago.

Black Diamond sandblasting media. Basically coal slag fired to glass. Aquarium safe. It's designed to be abrasive, so keep that in mind if you intend to keep cories or other fish with barbels.
DarkCobra is offline  
For the best viewing experience please update your browser to Google Chrome