Like WaZ said... if properly prepared it will take less... but you MUST prepare it properly. Look at:

http://boards.cannabis.com/recipes/1...ial-guide.html
http://boards.cannabis.com/recipes/8...ecrackers.html
http://boards.cannabis.com/recipes/8...-combined.html
http://boards.cannabis.com/recipes/1...tep-guide.html

And good luck! :thumbsup: