Freeze the Base under -20? . Usually takes 5 hours depending on the outside temperature. Remove any residual water on the surface before freezing. The base is equipped with a temperature indicator.
Constant Metal Cooler- Base Only (Blue), 1 Piece/Pack
Freeze the Base under -20? . Usually takes 5 hours depending on the outside temperature. Remove any residual water on the surface before freezing. The base is equipped with a temperature indicator.
