https://www.armorthane.com/pol....yurea-water-tank-coa
You always want to solder correctly, the biggest mistake most people make when soldering is failing to get the interior of the fitting and the exterior of the pipe clean and shiny. Polish these surfaces with a fine emery clot until bright. When soldering, never heat the pipe, but instead heat the fitting. Doing so allows the solder to be drawn into the fitting by capillary action. Act quickly if your pipes freeze! Shut off the water and open the faucet, enabling it to drain when it thaws. Starting with the faucet, and working you