This last time, I kept screwing with my jars the whole time they were incubating- flipping them all around every couple days... and I got quite a few mushrooms growing from the bottom of my cakes, which is annoying.

Personally, I feel that the problem usually is caused by the fact that, once you scrape the vermiculite layer off the tops of your cakes, the surface of the actual substrate isn't completely flat and so doesn't sit flush with the surface where you set it (assuming you birthed your cakes upside-down)... that light and air getting to the bottom of the cake stimulates the myc. to fruit there. This time I'm incubating my jars and birthing them right-side-up, so we'll se what happens...

GT

[This message has been edited by GorgeousTortoise (edited January 21, 2000).]

krashish