SUBNAUTICA 2 GUIDEDeep-sea field manual
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Hydrochloric Acid (Below Zero)

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Hydrochloric Acid is an advanced material in Subnautica: Below Zero crafted via the Fabricator. It is a key component for creating Polyaniline, which is essential for upgrading PDA modules.

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Hydrochloric Acid (Below Zero)

Hydrochloric Acid (BZ)

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, Hydrochloric Acid is extremely dangerous, though it poses no harm to sea life or the player in Subnautica.

Infobox Data

PropertyValue
CategoryAdvanced Materials
DescriptionHCI. Powerful acidic compound. Employ due care.
Size1
LocationPhi Excavation Site
Debug IDhydrochloricacid

Recipe

The blueprint for this item is acquired by picking up a Flowering Spore.

Crafting Ingredients

(Note: Specific ingredient icons are represented by the standard crafting grid structure found in-game.)

Uses in Crafting

Hydrochloric Acid is used to craft:

  • Polyaniline (1x Hydrochloric Acid required per unit)

Polyaniline is then used to create various PDA upgrade modules.

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