Hi Cindy- You certainly are welcome to try adding some water in and a little bit of flour as well to see if you can bring it back, but as that yeast was most likely living in a very unfavorable environment for quite a long time as the starter dried out, it most likely will not come back. Just for your information, if an old starter is what you are looking for, our culture you can purchase on the website is actually over 200 years old! Happy Baking! Jocelyn@KAF

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