Hi all,I want to open this new thread where we can share our experience in soldering*****incio I with a (pasta)for solder that I use and I am very satisfied with it. It is a mixture of ammonium Chloride (NH4Cl) and glycerin.Are the 2 products that you can find in any pharmacy .You mix + - 5/1 part 5 part glycerin, 1 part ammonium Chloride.Is used to clean the surfaces that is finished and in the same time lowers the temperature for soldering.