But where does all the water go on the Asteroid belt ships? In the first season water is like a super precious commodity there, making a huge deal about tiny am

But where does all the water go on the Asteroid belt ships? In the first season water is like a super precious commodity there, making a huge deal about tiny amounts. But a space ship is a closed system. The water doesn't leak into space. They're in space and somehow able to keep a breathable atmosphere, continuously cleaning and recycling the air. But with water this is somehow hard? Regardless it's a pretty cool series :)