Cindy wrote: And to anyone else who may know a source for laterite such as mail order...I would be more than overjoyed if you could post or privately e-mail me with the info. Cindy, I know that you can get the dupla stuff from Pet Warehouse (800) 443-1160. You can also get Substrate Gold at a substantially lower price ($45 treats 200 gallons) from Karl Schoeler (612) 432-9608.