A little background first. Or just skip the spoiler and see the build. I added Philosopher's Stone to the title, thanks to @M.C.. I now present Gaseous Element Converter 2.0 What makes this work? The liquid valve supplies 70g/s of liquid (works with 50 and 60 as well, but not 100). The tile to the right of the vent constantly swaps from water to vacuum. The 5 lower tiles should all have sufficient water to never swap to another element. When the tile becomes