Arfa Daily wrote:
Of course, I
don't think that there is any such requirement to maintain the
original certification on your side of the pond. So I would say, go
right ahead, and use 'proper' solder to carry out your repairs, but
suck or wick as much of the lead-free solder off the joint as you
can, before remaking the joint.

Will there not always be a residual film of the original solder, and would
that not cause a crack along the entire interface?


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