The top tank was cracked about two inchs,if I had used regular solder I would have had to use a patch.And you don't have to use flux with silver solder,just make sure its sanded good.
The flux covered rods are usually brass.
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Floyd


_____________
Floyd

If we choose being kind over being right,we will
be right every time.
Knowledge is a poor substitute for experience.
Remember what is precious to another, may not be to you, but it
is precious nonetheless.

1948 Chevy 2-Ton