ProjectBuild Two Hopbacks: ProjectsMaximize hop aroma with one of our two simple hopbacks.Already a member? Log InWritten by Thom Cannellphoto placeholderMaximize hop aroma with one of our two simple hopbacks.Already a member? Log InYou'll Also Like Project FREE Water Control System: Making the most of a float switch A float switch can be a beautiful addition to any homebrewery. Learn about one homebrewer’s water control system that helps him achieve three goals during his brew day. Project FREE Whirlpool Port Install Whirlpool ports (and other miscellaneous ports) have become more common these days. One clean way to add a weldless port to your kettle utilizes a knockout punch.