I've been running a bioactive setup for a little over a year now. I started with the biodude's substrate and then figured out how to add to it with a homemade mix. I' think the terra sahara is great and it really works as advertised, it was just a bit pricey for me. In addition to substrate, the main things you need are organic materials - leaf litter, palm bark, cork bark, things like that; and isopods + springtails for your cleanup crew. If you search for the bio dude on youtube he has a few videos showing how to set up a bioactive tank with his substrate.