Promerium refinery

Promerium refinery produces Promerium, and it uses 10 Prometid, 10 Duranium and one Xenomit to refine one Promerium. Promerium is used to boost your rockets, lasers, shields or commonly engines. Promerium refinery needs active Duranium and Prometid refineries with Xeno module as well.

= Levels = Below is information about upgrade cost, time and production rate in each level.

= Tips =
 * Keep the Promerium refinery one or two level below Prometid and Duranium refineries to maximize the efficiency.
 * Upgrade the Xeno module at the same time with Promerium refinery.