[Boatanchors] Dark deposits on rotary switch wafers

[Grant Youngman]

Tarn-X is a product which will substantially damage silver plate.  It essentially eats it. Don’t use it.

If you have to clean something that is silver plated, use a good metal polish.  One of the best is WR Smith … https://wrsmithclocks.com <https://wrsmithclocks.com/>

But on switch wafers?  Ignore it.   Some silver tarnish may make the wafers less beautiful, but will NOT affect switch conductivity.

Grant NQ5T
K3 #2091 KX3 #8342
SKCC #18434


> On Aug 12, 2018, at 2:50 PM, Rob Atkinson <ranchorobbo at gmail.com> wrote:
> 
> I'm a little surprised you can get TarnX in Korea but that's good that
> you can get it.
> 
> 
>> 
>> I am trying clean dark deposits on metal part of rotary switch wafers in old vintage equipments.
>> 
>> I want to make them bright and shining.
>> 
>> TarnX seemed work but it was difficult to use on unexposed wafers.
>> 
>> Does someone know spray type cleaner?
>> 
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