Can I start a sourdough starter with a mix of whole wheat and bread flour instead of only whole wheat?
That works, it is a 100% hydration starter (100g flour to 100g water). A blend of plain wheat and bread flour will get going, though a whole grain flour tends to start faster because the bran carries more wild yeast and bacteria. If it is slow to wake up, swap in some whole wheat or rye for a few feedings. You can always change the flour later.
Answered by Hendrik, The Bread Code
From the book
Making a sourdough starter is very easy, all you need is a little bit of patience. It is in fact so easy that it can be summarized in a simple Flowchart 3.1 The flour you should use to bootstrap your starter is ideally a whole flour. You could use whole-wheat, whole-rye, whole-spelt or any other flour you have. In fact gluten free flours such as rice or corn would also work. Don’t worry, you can always change the flour later. Use whatever whole flour you already have at hand.
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