SOL Water is a curious new product by Tortoise Gear, a California-based designer of survival gear. It’s a hydration bag that the company claims doubles as a water-purifying device, harnessing the power of the sun to kill microbes in your water. Tortoise Gear, run by a husband-and-wife team, has launched a crowdfunding campaign on Kickstarter to produce three sizes of the bags. So, would you trust the sun to clean your drinking water?



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