Dissolve starter in the water. NOTE: I use an Ischia starter from sourdo.com. I maintain it with AP flour with equal amounts of flour and water by weight.
Add salt, stir briefly, and then the flour.
Mix till dough passes window pane test (about 10 minutes).
Bulk ferment dough at least 24 hour, up to 72 hours.
scale and shape into balls. (yields a little over 6 1# balls).
Allow to rise at least 2 hours.
NOTE: This dough will keep over 10 days if balls are each put in a plastic bag and stored in the refrigerator.