This genius trick fromSmart Foxon Youtube will only need one chemical and hot water to unclog your drain.
Its super effective, and you wont need to spend money anymore on a plumber.
Watch the video tutorial below to learn this trick.
Image credits: Smart Fox via Youtube
(At least half a package of the chemical.)
After this, let the whole thing soak in for ten minutes.
Once the entire sink is full of hot water, pull out the plug and drain the water completely.