peroxide

[Lawsonic Pianoforte Services]

> >Now that Brian mentions it

> Is it rinsed off afterward? I'd hate to find that active H2O2 oozes out
to
> greet the fingers of the owner with the next seasonal change. I expect we
> would have heard the stories by now if it were a problem,..... 
>  Ron 

No, not rinsed off, as mentioned in sunlight it (the liquid) evaporates
quickly in the sun, and the chemical reacts with the light to bleach the
ivory (that's about as technical as I can get).
Then the keys are sanded, and buffed, on a wheel with buffing soap.

Brian