Think of regular hot coffee as the high-speed sprint of the brewing world. Hot water crashes into coffee grounds, extracts their soul in about four minutes, and you’re done. Cold brew, on the other hand, is the lazy sloth of beverages—it takes twelve to twenty-four hours of steeping in cold water. You’re basically marinating coffee like you’re preparing a very expensive brisket.
This isn't a minor detail. The temperature difference is the secret handshake that changes everything. Hot water rips out acids and bitter compounds with aggressive enthusiasm. Cold water is a gentle pickpocket, only stealing the smooth, sweet flavors while leaving the harsh stuff behind. The result? Cold brew is shockingly less acidic—up to 67% less, according to science nerds who have way too much time on their hands.