Perhaps you are thinking of "salt" as just NaCl. Sea Salt contains more minerals than just that - Magnesium being a prominent one. Magnesium is alkaline, and th

Perhaps you are thinking of "salt" as just NaCl. Sea Salt contains more minerals than just that - Magnesium being a prominent one. Magnesium is alkaline, and therefore, coffee with Sea Salt added is more alkaline than just regular coffee.