Remove standing water with a cup or small container
Use a plunger (cover drain opening fully; pump vigorously 15–30 times; repeat if needed)
Use hot water...
Identify the faucet type: compression, ball, cartridge, or ceramic disc
Shut off the water supply valves under the sink
Cover the drain and open the faucet...
Use a plunger on the affected drain
Remove the drain stopper or cover (if applicable) and clear visible debris
Pour boiling water carefully into the drain...
Choose a bidet type: attachment bidet, handheld bidet, or toilet seat bidet
Turn off water supply to the toilet
Flush the toilet to relieve pressure
Shut off...