Starbucks Coffee is working on a way this summer to keep customers' iced coffee cold without becoming watered down.
The Seattle-based coffee chain is testing the viability of coffee ice cubes at shops in Baltimore and St. Louis, a spokeswoman for the company confirmed.
The coffee ice cubes can be added to any iced espresso or brewed coffee drink, but the extra caffeine comes at a cost — an additional 80 cents.
The cubes, made with Starbucks coffee, are available in about 100 stores between the two markets for the next eight weeks, including 56 in the Baltimore area. It's unclear exactly which local shops are being used for the pilot.
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