Get rid of excess fluids by dumping them into the ocean. While you are at it, get rid of items by grinding them, flushing them and, you guessed it, dumping them into the ocean.
Ideal for engineers that value reliability and simplicity over efficiency and ecology. Not popular with local wildlife, though.
Offshore dump can be used with any liquid and placed into any ocean or on a space platform.
Grinder can turn any item into junk and junk can be mixed with water to create waste water.