No... My wheat seedlings are some sort of health food. Almost the same nutrients (plus some more) as Soy flour...Anyway...
Right now it's day 5 (or 6) and I can see colonization on the rice flour / vermiculite. The others still has nothing.
In the case of the Wheat seedlings that's OK, they're not really a flour but rather like small corn-flakes. They'll probably take a while longer to start.
I'm annoyed at the soy flour though... 
Grumble, grumble....
The show goes on, dudes...
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//Moomin666 -When madness is an art...