If your sink is full, use a cup or bucket to bail the water into a toilet or bathtub.
Bring a large kettle or pot of water to a rolling boil. how to unclog a sink bathroom
Add 1–2 inches of water to the sink to cover the plunger rim. Push and pull vigorously for 15–30 seconds. Method 4: The Plastic "Zip-It" Tool or Hanger Best for: Removing hair clumps. If your sink is full, use a cup