Here in the US tin lead solder is still available and much cheaper. I can get 2 60/40 rosin solders https://www.amazon.com/gp/product/B07FFPWWR3/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1 for the price of a lead-free Sn/Ag/Cu (tin-silver -copper) wire . However, it's not worth the risk. This tin-silver-copper wire worked great. You need to increase the temperature of the soldering iron for lead-free solder.
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