Boil a full kettle of water (about 2 liters/ half a gallon). Carefully pour the boiling water directly down the drain. The heat helps liquefy any remaining grease or soap, and the force washes away the loosened debris.
To avoid needing vinegar treatments frequently: unclogging drain with vinegar
The partnership of white vinegar and baking soda is the 'David' against the 'Goliath' of commercial drain cleaners. It is a method passed down through generations, rooted in simple chemistry, and it offers a cleaning solution that is as kind to your wallet as it is to the environment." Boil a full kettle of water (about 2 liters/ half a gallon)