If the drain is still blocked, remove the overflow plate (if accessible). Aim a hair dryer on at the pipe for 10–15 minutes. Never use an open flame.
Can a tub drain pipe freeze and how to prevent it? - Facebook how to unthaw bathtub drain
While the phrase "unthaw" is commonly used in conversation, the grammatically correct term is actually "thaw" (since "unthaw" would technically mean to freeze again!). Regardless of what you call it, a frozen bathtub drain is a plumbing emergency that needs to be handled quickly to prevent burst pipes. If the drain is still blocked, remove the
: Dissolve 1 cup of salt (table salt or rock salt) into 2 gallons of hot water. Can a tub drain pipe freeze and how to prevent it
Heat a kettle or pot of water until it’s (around 140–160°F / 60–70°C). Boiling water can crack porcelain or PVC pipes.