There is a company that makes a product called Edge2-0. It is water with caffeine in it. They recommend using it to brew your coffee. 

Caffeine is bitter. Just what I need. Bitter water.
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''Instant water. Just add hot coffee, and stir!''
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One brand found in the U.S. is called "Water Joe."
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''Illegal in Canada (something about transparent liquids, apparently)''

No Crystal Pepsi, then...

''well, for a while, but no caffeine :)''