The Psychology of Iced Coffee Drinkers, According to Experts | POPSUGAR Food"Cold brew, on the other hand, involves steeping coffee grounds in cold water at room temperature or cooler for 16 to 20 hours, which prevents acidic ...2024.06.07 "Cold brew, on the other hand, involves steeping coffee grounds in cold water at room temperature or cooler for 16 to 20 hours, which prevents acidic ...