Originally Posted by JillyIsJustKidding
Yup, brass is the only metal that I know of that starts forming green gunk.
So yeah, your KM Exotica is absolutely brass cored
Idk why, but I love cleaning the hookah out as much as I can. Idk...I guess it just gives me this feeling of "clean smoke" I guess
Copper and aluminum will also form green "gunk"