The "P-trap" holds standing water to block sewer gases. If this trap is located in an uninsulated crawlspace or near an exterior wall, that water can easily turn to ice.
If the drain is frozen shut, the chemicals will just sit on top of the ice. They are highly corrosive and can damage your pipes or burn you if they splash back while you try other methods. bathtub drain frozen
Title: Don't wait like I did! ⭐⭐
: Wrap exposed pipes in foam insulation sleeves or use electrical heat tape (for metal pipes only). Keep the Heat On : Ensure your bathroom stays above 55°F ( 13∘C13 raised to the composed with power C ), even if you aren't home. The "P-trap" holds standing water to block sewer gases
: This chemical reaction can help break up ice blockages near the drain opening. Pour ½ cup of baking soda down the drain. Follow with 1 cup of white vinegar . Wait for the fizzing to subside, then flush with hot water. They are highly corrosive and can damage your