1.Kitchen Sponge- Replace it with a new one at least every two weeks, or sooner if it smells bad. In a pinch, you could try to clean it. Wet the sponge and microwave it for 1 minute.
5.Coffee Maker-To clean it, fill it with a few cups of vinegar and let it sit for 30 minutes. Then turn the machine on and run the vinegar through it.
6.Stove Knobs-Think about how often you touch them and then about how often you wash them.Take them off and clean them in hot, soapy water once a week.
7.Bathroom Faucet-It turns out that the faucet handles in the bathroom sink have more germs on them than the toilet handle or the bathroom door knob.Clean both your bathroom and kitchen faucet handles.
8.Countertops-Wipe them down daily with hot soapy water, and sanitize with a cleaner recommended for your countertops.