Containing special ingredients called surfactants, the dishwasher tablets can dissolve oil and grease from surfaces, and their alkaline compounds can also
Place the tablet directly at the plug hole, or if you have a garbage disposal, drop it down the drain as far as it will go, then pour hot or boiling water down the drain.
Pour enough water to fully dissolve the tablet, including its polyvinyl alcohol (PVA) film, and your kitchen sink will smell fresh as well as function properly again.