Video - How to Guide for Using the G40 Kelsey December 15, 2023 08:56 Updated Hi, I’m the G40 Brewing System! Here’s How to Assemble and Use Me. See written instructions here. Check out our YouTube Channel here. Related articles Instructions - G40 Video - Big Brew Day 2022 Instructions - GC4 (Touch Screen) - Other Languages My G40 sight glass doesn't always show the same measurement or appears to be off by a little bit - is something wrong with it? Video - How to Guide for Using the S40