GoKawiilCNET tests Coldest water bottle's 36-hour cold claim against Owala
CNET compared the Shark Tank-featured Coldest water bottle to a standard Owala bottle, filling each with equal water and ice and tracking temperature with a meat thermometer over 36 hours. Early readings showed Owala consistently running a couple degrees colder than Coldest, with both bottles still delivering chilled water as the test progressed from 52°F to 60°F by the 24-hour mark.