This week, NASA revealed that the International Space Station’s Environmental Control and Life Support System (ECLSS) is recycling 98 percent of all water astronauts bring aboard the station…
This week, NASA revealed that the International Space Station’s Environmental Control and Life Support System (ECLSS) is recycling 98 percent of all water astronauts bring aboard the station…
To quote the article that this post links to:
This means that for any sample of liquid waste, 98% of that quantity will be converted back into water, while the remaining 2% will be discarded.
This does not answer the question. You lose two pounds of it, sure. How do you lose them?