This just has to be bullshit. I've been playing comin on 13 years now and I've never once tried it, because it just sounds retarded.
For those unaware - apparently it gives your strings a bit more life if they're getting old, particularly bass strings. I have a bassist friend who does it regularly, but whether it actually works or not is another story. FWIW, he's a cunt.
I just don't see how it can do anything but damage. Water + extreme heat just sound like the worst things imaginable for a length of metal that is supposed to be a calculated and measured tension.
Does it really work, or have I been right to be sceptical?
I also have a bassist friend who does this.
The only difference after that i could tell was the strings were really clean