Get yourself some perlite, peat moss, mix about 60/40. Here's a link that explains it better also some organic additives.

Took me about 2 minutes to find it using google......very handy sometimes.

plz help mix a good indoor soil - 420 Magazine
Lit Up Reviewed by Lit Up on . Soil Mix I have had a VERY bad time lately. All my babies are dying and nobody knows how to help me.... Check this link for more info on this case: http://boards.cannabis.com/plant-problems/170323-finnaly-my-troubleshooting-form-filled-help.html#post1983221 After all ive tried i can only believe my problem is that my soil is tooo heavy and that the roots are having a hard time living there. So this is it...whats a good soil mix? Dont give me brands because i dont live in the US :P Im trying to Rating: 5