A_Plumber2020 t1_itpn6ej wrote
Reply to comment by Dorammu in Best plumbing solder? by Dorammu
It is necessary because the expansion and contraction of concrete will cause soft solder to separate over time
ness1616 t1_ittk5eh wrote
Soft solder on potable water joints are banned in Australia because it contains lead
A_Plumber2020 t1_itud5mt wrote
They dont make lead based solder here in the states anymore. It's mostly silver, tin and antimony. It's still soft solder on a roll though it doesn't flow as easily as the old lead based solder.
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