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Subject: Re: [motm] Re: Pass Through Holes

From: Aaron Day <aaron@...>
Date: 2005-01-14

The water here in Berlin is so "hard" (or at least in my 'hood) I get a
patina of minerals across my PCBs every time I wash.

I wonder if this will give me a Barolo-in-oak type effect after a few
years.....


On Jan 14, 2005, at 18:06 Uhr, paulhaneberg wrote:

>
>
> Like Larry, I solder all the holes with organic solder prior to the
> last board wash.
>
> I scrub my boards very thouroughly, but I do not rinse them with
> distilled water. Our water, which has passed through a water
> softener has never left a stain on a board. If I used unsoftened
> hard water there probably would be a stain.
>
> Some places have high iron contenet in the water which can leave
> rust stains. I wonder if this could possibly degrade performance.
>
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