To effectively clean the sink, you can use handy tools, well, or a plunger. Well, if there is a serious blockage, then only contact the professionals
https://chosenrooter.com/, otherwise it will not be so easy to deal with it on your own. I somehow got into fixing the sink myself, as a result, I broke off some plastic part and had to change the entire knee. Which turned out to be much more expensive than if he had called the masters.
