Ooh nice spot. So water on an _intake_ on a chem plant can pollute the other intake? Honestly, fluids shouldn't flow that way. :) I'll try it and see if it works. That plant flips between light oil to gas, and light oil to rocket fuel. The weird thing is it doesn't foul anything existing (note only ...

Chem factory pushing out light oil, pipes pushing light oil, tanks carrying heavy oil. Why do I continually get this error?