How can I clear a clogged kitchen sink?

I wann try using Liquid Plumber but The directions dont make sence.Read:





For those truly disgusting clogs reach for Professional Strength Liquid-Plumr® Gel Clog Remover. Not only is the bottle easy to hold, but it has a patented formula that removes twice the gunk it used to*. It's specially formulated to be thick and powerful so it won't dilute. It wastes no time cutting through standing water to clear the toughest clogs*.





*Improved on lab-tested partial clogs


*Based on full hair clogs in lab tests in standing water





USAGE DIRECTIONS


Pour 1/2 bottle (2 cups) slowly down the drain (32oz size) or 1/5 bottle (80oz size). For the toughest clogs, pour in entire bottle (32oz size) or 2/5 of the bottle (80oz size).


Allow it to work for 15 minutes. In cases of standing water, wait until drain is clear.


Flush with hot tap water. Repeat if necessary. Stubborn clogs may require additional treatments.





It shoud cut through standing water so why wait for it to clear? Other Ideas?

How can I clear a clogged kitchen sink?
just take the tripe off the bottom if the sink and clean it out. then check the pipe going in the wall run a wire in it to clean it out put back togeter and test it out with hot water
Reply:forget the drain cleaner, remove th "j bend" or "u" shape pipe under the sink. if the "u" pipe is clear, you will need a snake to clear the soil pipi going into the wall. if you don't have a snake, call a rooter service.
Reply:pour plenty of neat bleach down the plug hole and leave it soak for a few hours . failing this clean out the water trap underneath the sink
Reply:I think it means to wait to flush it with hot water until the standing water drains. Once it is gone run the hot water for a bit. Be careful with Liquid Plumber. You need good ventilation with it.



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