to make the pizza sponge, put 15 ounces of the wat and the yeast in the bowl and dissolve
Add 13 ounces of the bread flour, rye flour, and the wheat germ. Stir with a wooden spoon to combine the ingredients. Wrap the bowl tightly with plastic for an hour and a half (90 minutes).
Add the remaning 7 ounces of water, remaining 13 ounces of bread flowu and the barley malt. Mix on low for 2 minutes. Add salt and mix on low until the dough pulls away from the bowl.
Turn the dough out onto a greased sheet bowl. it will proof and double in size. set aside for 45 minutes. Wrap with plastic.
Turn out the dough onto a floured surface. cut into 6 sections and about 7 ounces. Cover with a flour sack dish towel (dry) and let rest for 5 minutes.
dust your hands with flour and gather each round of dough into taught ball. Cover with the dry flour sack dish towel for one hour.