Many say that Coca-Cola and PepsiCo's breakthrough in the market was launching bottled waters, in new efforts to capture non-soda drinkers. Sure, it's common knowledge that all water tastes the same — but as we've discovered in other bottled water taste tests, it's just not the case. What did our testers say? Surprisingly, 100 percent of our tasters preferred Coca-Cola's Dasani to PepsiCo's Aquafina, calling it "fresher." One tester even thought Aquafina tasted like tap water.