Claims that 'deep ocean water' rehydrates athletes twice as fast don’t hold up

Anyone looking to enter the growing and crowded premium water market has to differentiate themselves somehow, whether it's with a unique bottling source or a diamond-encrusted bottle cap. Kona Deep's sell goes like this: deep ocean water, unlike regular water, has minerals that may help with athletic performance. Kona Deep is the first company to sell bottled deep ocean water in the US.

To understand where Kona Deep comes from, it helps to understand the history of deep ocean water. During the 1970s oil crisis, as scientists were scrambling to find energy alternatives, they thought a solution might lie at the bottom of the ocean. They built a plant in the town of Kona, Hawaii, where just a few hundred feet off the coast, the ocean floor...