Ceruleum Tank

Ceruleum Tank is miscellany.

Source
Ceruleum Tanks can be purchased for 100 company credits at free company rank 6 from the following vendors:
 * Mammet Voyager #004A - Company workshop
 * Resident Caretaker - Mist, The Lavender Beds, The Goblet, Shirogane

Uses
Ceruleum Tanks are used to fuel company airships and company submersibles on exploratory voyages.