Tank Booster IV
The secret best vac tank available using experimental nano-storage technology that's absolutely probably maybe legal.
10000Recipe
Related upgrades
Why Vacpack Upgrades matter
In Slime Rancher 2, the Vacpack is the essential tool for every rancher, allowing players to vacuum up slimes, food, plorts, and resources across Rainbow Island. Upgrading the Vacpack unlocks new capabilities, such as storage expansion, jetpack fuel collection, and slingshot mechanics, making exploration and ranch management more efficient. Players rely on the Vacpack to capture rare slimes, gather Slime Science resources, and harvest food, while also using it strategically to prevent slimes from escaping corrals or triggering Tarr infestations. Mastering Vacpack techniques, like combining shoot and vacuum functions, enables faster plort collection, optimized ranch workflow, and safe navigation of dangerous biomes. The Vacpack is not just a tool—it's the core gameplay mechanic that connects exploration, resource management, and slime care in Slime Rancher 2.