tritium - sswelm/KSPInterstellar GitHub Wiki

One of the primary fuels used in fusion reactions in reactors or fusion engines. Tritium is produced in nuclear reactors via the "Tritium Breeding" option, which consumes Lithium and produces tritium. This is more time efficient in fission reactors, due to the increased availability of free neutrons. Tritium can be stored in the Deuterium Tritium Tank. Note that in active vessels, Tritium decays into Helium-3 with a half-life of 12.3 years, though this does not apply to non-focused ships.

Tritium follows the all-vessel flow logic, so no fuel lines are required. It can be pumped between containers at will.

A small amount is included in each part that requires Tritium to function, namely the fusion reactors and the Vista. However, the large reactors contain far less than their maximum capacity, and the D-T Tank contains none at all.