Okay its gotten cold in ohio now and now that I want to setup another tank I can't seem to do the mts thing. I wanted to know if I soaked the soil then baked it in the oven would I be okay. Raising a couple of times?
Better to soak, rinse, and drain several times, and not use the oven. The point of the soaking and drying is to allow the beneficial bacteria to work in an oxygen rich environment. Baking the soil in an oven would kill them, and defeat the purpose of this step.
With the oven I'd preheat it, turn it off, then after a few minutes of some cooling time then you can add the dirt, less than 100 degrees would be ideal. You don't want to kill off the good stuff in it.
Better bet would be to get a cheap dome shop light from the local hardware store, about 8 bucks with a nice incandescent flood light/heat lamp to help the drying process.
As most folk I'm lazy and refuse to use the Search feature of this forum.
So someone please enlighten me - why do you need to make sure you dry the substrate. If the idea is to supply O2 to the microorganisms so they do their thing in an afterburner mode why not just wet the soil and spread it in a thin layer exposed to air + misting it with water every so often so it stays half-wet.
I suspect that the heating/drying cycle does something to the organics (reduces them maybe) or it helps the break down of something.
Cooking soil? 
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