Keep your sink drains in the clear using household ingredients and these simple steps.
½ cup distilled white vinegar
1 cup baking soda
Pour baking soda into the drain.
Pour vinegar into the drain and cover drain with a plug. Then, let drain sit for 30 minutes, allowing the mixture to work its magic.
After 30 minutes uncover the drain and run hot water down the drain for 2-3 minutes. For tougher, backed up drains repeat steps 1-3.