neptunian water synthesizers on platforms in deep blue seas converting alien oceans into drinkable water for colonies

neptunian water synthesizers platforms deep blue seas converting alien oceans drinkable colonies extraterrestrial liquid transformation utilities structures abyssal azure underwater modification aquatic habitation purification conversion hydration advanced neptune h2o colonization distillation celestial potable refreshment space interstellar galactic devices subaqueous settlement molecule sustainable living vast depths potabilization settlers cool inhabitants life