I just bang the box on the counter or put in a ziplock bag and smack with a rolling pin. I have a 13 pound bag in the laundry, I smack it with a hammer. Here is what other people do.
Every time I clean my mirrors, they end up having tons of streaks and almost look worse than before I started. What could I use to clean them that won't leave streaks...
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I just bang the box on the counter or put in a ziplock bag and smack with a rolling pin. I have a 13 pound bag in the laundry, I smack it with a hammer. Here is what other people do.
https://www.hometalk.com/diy/clean/house/q-how-do-you-soften-baking-soda-which-has-hardened-133913
how do you soften baking soda which has hardened
https://oureverydaylife.com/keep-baking-powder-getting-hard-41745.html
https://oureverydaylife.com/keep-baking-powder-getting-hard-41745.html
Yup - just crush it. Then when it's powder again, transfer it to a glass jar with a tight lid.