According to the clorox company the best way is to wipe out your sink with a bleach and a sponge.
Bleach to clean clogged drain.
Mix one gallon of water with of bleach and let sit for 5 minutes before draining.
After you wipe out the sink plug in the stopper.
Bleach will clean your drain not unclog it.
How to unclog a bathtub drain with bleach.
In order to properly unclog a bathtub drain you will need to use eco friendly and undiluted bleach.
Water baking soda and vinegar.
Use a sink.
Pour 1 cup of undiluted bleach down into the drain and wait for around 15 minutes.
How to unclog a drain with bleach don t use bleach to clear clogged drain.
Using bleach to clear clogged drains.
If you re trying to decide whether to use vinegar or bleach for drains that are clogged.
On the other hand undiluted bleach is a bit stronger and has some other chemical attributes.