Need to get some good gravel, clay, or other form of substract for my tank. I realy don't wont to order the gravel as I plan on adding tanks as offten as possible. Don't like nore will I support LFS. I was wondering if there is a substance anyone out there uses that they get at plant shops or any place other then pet stores. I don't mind shopping online but I will need a regulare supplie. Any thoughts on this. I will be keeping plants, fish, and invertabrays so it needs to be safe for all
