Oh I just heard that there are specific materials that people use but are not healthy as you inhale some stuff but again it's just something I heard. In other words there are materials that you can use for the wire but it's not recommended as they release "something" when heated.
Again though it's me the newb saying.
@Mac hope someone can help this guy I have the soapy taste too even though I cleaned it a trillion times.
I just boiled mine for a few minutes in water.. Took the smell and taste right out..