Clean and Deodorize A Cooler After an outing or trip, add about 1 inch of water to the bottom of your cooler, drop 4 Alka Seltzer tablets in, and let sit for an hour. After an hour, rinse and dry. All smells will be gone and it will be clean and ready for its next use.

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Clean and Deodorize A Cooler After an outing or trip, add about 1 inch of water to the bottom of your cooler, drop 4 Alka Seltzer tablets in, and let sit for an hour. After an hour, rinse and dry. All smells will be gone and it will be clean and ready for its next use.

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