How to Make a Whole Wheat Sourdough Starter | Grain Mill …
Every time I fed the starter I used ¼ cup flour plus a half of a ¼ cup (technically ⅜ of a cup total) and then a ¼ cup of water. Mix thoroughly to incorporate oxygen. Continue feeding 1-3 three times a day. Starter should double in size between feedings. If it has trouble rising, pour out half of the starter and continue as normal.
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