Hi, Shirley. If you're planning on making a lot of bread, there's no reason not to feed the whole amount of starter. Say your stored amount is roughly 1 1/2 cups in volume, around 12 ounces. To keep the pH in balance, you'd need to feed that whole amount of starter with 12 ounces of water and 12 ounces of flour. Now you're going to have, in total, between 4 1/2 and 5 cups of starter. That's a LOT of starter. Which means in order not to waste it, you need to make a double batch of bread, 2 batches of waffles, and maybe some sourdough muffins. Susan

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