Key component of many fertilizers. Also used in producing gunpowder.
– In-game description

Description

"Key component of many fertilizers. Also used in producing gunpowder."

Obtaining

Recipe of the Chemistry Station in Outpost Camp. Sector 7

Usage

Can be used in the Chemistry Station to make Rubber

Saltpeter is used in the following Blueprints in The Crater:

Trivia

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