How to clear a choked sink at home without calling in a plumber?

[super gal]

How to clear a choked sink myself?

[Home Decor Fanatic]

1. Pour about 60ml of white vinegar down the drain and let it stay for at least 20 minutes.
2. Flush the drain with boiling water.
3. Use a plunger, push downwards against the drain opening till the rubber cup is flattened then pull out. This will loosen up the clog caused by those excessive material in the drain.
4. Flush with boiling water again.
5. Repeat this steps if necessary.