I will be interested to know what changes you get in the flavor profile from using wheat.Today I finished making my own Dry yeast balls so see if I can mimic the results you all are getting. Here is a pick of the layered yeast ball to rice mixture. I used Calrose rice and 90 grams of dry yeast balls powdered up. The rice was soaked and I decided to heat the rice on a stove with water rather than steam rice like I do for Japanese Sake. It will be fun to see where this goes.
Though I wonder if it is going to be possible to separate that flavor addition from the differences in fungus cocktails.
I do have some wheat berries. Maybe I should cook some and add them in with another batch for comparisons sake.