You need flux to solder pipes properly. However many modern plumbers never solder, they use plastic or composite pipe like PEX.
Doc Brown needs some help fixing his flux capacitor.
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As a flux you can use quartz sand, salt or the modern borax.
They used Lead
Chemically, it is a double fluoride of sodium and aluminum, Na 3 AlF 6 . Its principal use is as a flux in the smelting of aluminum.
Very easy fix using bar solder with a composition of 40 -60 and acid free flux and the use of a wiping cloth that most older master plumbers still have
they do
plumbers
Yes it can. I use flux core wire because there is no need for gas with flux wire.
No. Use the putty.
Yes.
In some solder it is. But even if it is in the solder you should still use flux.
Yes, most plumbers use at least 3 pipe wrenches, (12", 18" and 24 " ) and a large crescent wrench.
Doc Brown needs some help fixing his flux capacitor.
Tools Intelligence Chemicals Experience
Plumbers use them
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