ProjectBuild Your Own Glycol Fermenter Build a glycol chilling system to keep your fermenter at the optimum temperature.Already a member? Log InWritten by Marty CorneliusIssue: Special Issue: 25 Great Homebrew Projects Build a glycol chilling system to keep your fermenter at the optimum temperature.Already a member? Log InYou'll Also Like Project MEMBERS ONLY Keg Polisher: Give your kegs a shine Have you ever tried to clean up the exterior of your kegs and given up due to the effort required? One crafty homebrewer came up with his own Corny keg polisher utilizing a modified wood lathe that gives those old dingy kegs a new shine. Project FREE The Moonlighter Challenge: Dangling a beer carrot If you’re looking for big laughs in a group atmosphere while maintaining a safe distance, you need to check out the Moonlighter Challenge build.