Every month or two, give the pipes a good preventative cleaning to keep them clear of grease, oil, and hair clogs. Pour 1/2 cup baking soda down the drain, followed by 1/2 cup white vinegar. The mixture will foam up. Let stand for a few minutes to dissolve fatty acids, then pour boiling water down the drain to wash out any clogs. This really works!
To get rid of the nasty black gunk in your drain: 1. Boil a pot of water. 2. Meanwhile pour baking soda down the drain. 3. Once the water has reached a rolling boil pour it down the drain. 4. Let the water and baking soda work at decomposing and sterilizing the grime for 10 minutes. 5. After 10 minutes, pour 1 cup of bleach down the drain to completely kill any remaining mildew or bacteria. this process every few months. It will also keep the nasty mildew smell at bay.
KITCHEN The best oven cleaner! Cover bottom of oven with baking soda, then pour vinegar so it's all wet. Let sit around 20 minutes or so then wipe all of it out with damp cloth or sponge. Leave oven door open. After drying you may see some white residue, wipe again.