Wort Chiller Pre-Chiller - 25 ft. x 1/2 in. (With Fittings)A great chilling solution for those homebrewers who are stuck with warm tap water. If you live in a hot environment where the tap water never really gets cold, it can be helpful to pre chill your water before you even begin chilling your wort. This Pre Chiller from MoreBeer! is designed to bring your tap water down to below the final target temperature for your wort. The Pre Chiller is made up of 25 feet of copper tubing that is placed in a bucket of