Craft a Brew - Beer Brewing Kits & Supplies on Instagram: "When is fermentation actually “done?” Homebrewing Basics 🍻 Part 5 The best way to confirm that fermentation is complete: a hydrometer. This handy tool measures ‘specific gravity’ (aka density or sugar content). By tracking the changes in sugar content, you can confirm whether fermentation is still active or complete. AND you can calculate your wine or beer’s precise ABV (alcohol by volume)! Find our hydrometer tutorial videos in our hig