Donna, a cup of flour weighs about 4 ounces; and a cup of water, 8 ounces. So add 1 cup flour and 1/2 cup water to your starter, and you'll be feeding it equal parts (by weight) of water and flour, which is what should happen. I think you got confused by the weight thing; only water, and a few other clear liquids, actually weigh 8 ounces/cup. Most other things weigh different amounts: e.g., chocolate chips = 6 ounces/cup; molasses = 12 ounces per cup, etc. Hope this helps - PJH

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