I used to think that size does not count, until I realized that most people either find other people’s faeces more disgusting than a bird’s droppings, or they do not find the latter disgusting at all.

Conclusion: I don't need the water reclaimer at all. I'll drink as needed and dump my waste outdoors. Yeah, that's right, Mars, I'm gonna piss and shit on you. That's what you get for trying to kill me all the time.