Can the Shark Tank Water Bottle Really Keep Drinks Cold for 36 Hours? I Tested One to Find Out - CNET
The universal push for better hydration has produced a seemingly endless supply of water bottles that promise to keep H2O cold for hours, days, even months. Admittedly, “months” is a stretch, but given recent advances in insulation technology, that milestone may not be far off.
Fresh off Stanley’s early-2020s hype, a new water bottle contender, Coldest, piqued my interest with its bold, brazen name alone. The company’s line of bottles and tumblers, which come in a range of sizes, styles and limited-edition designs, was featured on ABC’s “Shark Tank” and promises to keep beverages cold for 36 hours.
Coldest also operates out of my hometown of Naples in Florida (which I didn’t realize until I researched it), and I welcome any opportunity to support a local small business. But did it ultimately live up to its hype, the thousands of positive reviews and the praise from national media outlets?
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