Prevent clogs from forming. To prevent clogs from forming in your kitchen sink, make sure to periodically pour boiling water down the drain. Doing so ensures that the oils in food products run down the drain as opposed to building up on the interior surface of pipes which is what leads to clogged drains. If you have baking soda on hand, you may want to consider pouring some down the drain prior to using the boiling water as baking soda is a great cleaning agent and can help to absorb any odors.