Heavy Water

Dideuterium oxide. Water with significant nuclear properties which make it extremely effective as a neutron moderator in various types of power reactors. One of the materials required to keep Control Towers online. May be obtained by reprocessing the following ice ores: 1.0 security status solar system or lower: Blue Ice Clear Icicle Glacial Mass White Glaze 0.3 security status solar system or lower: Glare Crust 0.1 security status solar system or lower: Dark Glitter 0.0 security status solar system or lower: Enriched Clear Icicle Gelidus Krystallos Pristine White Glaze Smooth Glacial Mass Thick Blue Ice