ProjectBuild a Transparent In-Line Aerator: ProjectsBuild an aeration system that you can see right through.Already a member? Log InWritten by Thom Cannellphoto placeholderBuild an aeration system that you can see right through.Already a member? Log InYou'll Also Like Project FREE The Trap Door Keezer Tap towers can be a design challenge for home draft system builders. Enter the trap-door lid design, allowing access to the keezer without having to move the tower. 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.