[pianotech] blackening rusty tuning pins

[atrav27 at att.net]

----- Original Message ----- 
From: "Douglas Gregg" <classicpianodoc at gmail.com>
> 
> For more rust control-see attached photo of Zerust.
> In many cases, I also put a Zerust capsule in the piano that is
> guaranteed by the company to arrest further rust for two years in a
> closed space of 30 cubic feet.. You should get some of these where you
> live.  It releases an odorless gas from a foam
> block in a plastic housing.The capsules are pretty cheap insurance(
> under $10 from Amazon). Ihave put quite a few in pianos for clients
> who are living on or very
> near the water where the salt air really penetrates into the house.

FWIW my local Ace Hardware sells a similar product, for putting in your tool boxes.
I've been using a spray teflon for preserving strings.
I'm in Florida, so rust and the humidity is always the big factor.

-Aron-