Allow the shaker to fully dry before you put more salt inside. Add a small amount of rice -- about one quarter of the salt shaker -- when you add salt the next time. This can absorb any moisture and helps keep the salt from clumping.
When you live in a humid area, moisture can enter your salt shaker, making your salt clump. You're left with a hard clump of salt you cannot get out of the shaker. Once this happens, there's no way to save the salt inside for consumption, but you can get it out and prevent it from happening in the future.
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Unscrew the shaker's lid.
Turn the tap water on. Hot water will dissolve the salt faster.
Pour the hot water into the salt shaker. Allow it to run until it is coming out of the shaker.
Cover the shaker with your finger and shake hard. This helps the salt dissolve.
Dump the salty water out.
Repeat rinsing until all the salt is gone.
Maggie McCormick is a freelance writer. She lived in Japan for three years teaching preschool to young children and currently lives in Honolulu with her family. She received a B.A. in women's studies from Wellesley College.