This is the safest first attempt, best for clogs located near the drain opening. Salt lowers the melting point of ice, helping to break up the blockage.
By following these steps and taking preventive measures, you can unclog a frozen drain pipe and prevent future problems. how to unclog a frozen drain pipe
Before you begin, If your faucets aren't running at all, the freeze is likely in the supply line. If the faucets run but water backs up in the sink or tub, the blockage is in the drain pipe . The following steps focus on thawing a frozen drain pipe safely. This is the safest first attempt, best for