|This article is about Hydrochloric Acid in Subnautica. To see this subject's article on the Subnautica: Below Zero Wiki, click here.|
Hydrochloric Acid is a material crafted using a Fabricator. It is a necessary component to make Polyaniline, which is essential for upgrade modules. In real life, Hydrocloric Acid is extremely dangerous, though it poses no harm to sea life or the player in Subnautica.
Uses in Crafting