Hi Frank, it depends on if you want to bake with it or not. If you just want to maintain your rye starter and have no plans to bake with it this week, then it's fine to feed 57g of your starter with 57g water and 57g pumpernickel flour, let it sit for 2 hours, and then return it to the refrigerator. If you plan to bake with your starter it's helpful to give it a few "revival" feedings at room temperature (every 12 hours) until it is nice and active before you use it in a recipe. Barb

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