5 Rules For Safe And Sanitary Beer Storage No beer can last forever, unfortunately. However, there are plenty of ways to ensure that a beer stays good enough to drink for a very long time after you bottle it. There are some key mistakes that can take a perfectly good beer and ruin all the work that went into it in the first place, so you need to be careful when it comes time to store it. We’ll give you a few rules for safe and sanitary beer storage to ensure that not a drop of beer ends up wasted.