Many strains will pin in the jar, keep a close eye. Take the jars out of the warm terrrrium when fully colonized and let sit at room temp. As soon as you seen pinheads, birth. If you don't see any pinheads after a week of the cake being fully colonized, birth!------------------
Visit the Spore Lab at: http://www.sunshine.net/www/1700/sn1730
It's a trip you'll never forget!