With proper storage techniques (keeping them cool)

https://medium.com/@whyttahsms/the-vital-role-of-nangs-tank-in-modern-day-cooking-practices-in-melbourne-c642b60be98e?source=your_stories_page--------------------------------------------

With proper storage techniques (keeping them cool), unused cartridges can last several years—making them practical investments for anyone who enjoys whipping up delicious treats regularly!