Yes a clear well tinned soldering iron tip is the best way to clean a easy soldering! Clean off any srape that may have accumulated, if it can be scarped or files to bright copper do that. Heat the iron When it is at max temp the copper will have darkened in color, plunge it into the flux pot and let it boil and immediately apply solder. Clean it up each time you finish a job as the tip will last longer and will not be so hard to maintain.