wish i could justify getting the copper one, but i already got the black one on the last drop. and i use it often, it's great. Though, it's so good i can't justify getting a copper one to replace it just for patina... also i don't particularly like the smell of copper on my hands
SpinuchWhich (iirc)are being decomposed by the copper ions that were released when the sweat in your hands started corroding the metal.
Science is awesome.
stop trying to entice me!
Science is awesome.