Finding lithium in Subnautica 2 is essential for crafting the plasteel ingots you need to get a bigger, better air tank. It's also a mineral you won't be able to get for a little while, as it only starts showing up once you reach waters too warm for survival until you get the necessary mutations. However, there is one spot where you can find plenty of it, more than you'll need for quite some time. Below, we show you where to find lithium locations in Subnautica 2 . [ Ed. note : Before you dive in, be sure to open the character menu and enable all landmark signals . This will make it easier to spot the locations mentioned in this guide.] Where to find lithium in Subnautica 2 Image: Unknown Worlds/Krafton via Polygon Lithium shows up in the areas around the Tadpole Pens , roughly 300 meters east of the Lifepod, and you'll visit a few during part of the main story as you investigate the region.…