| Feature | Baking Soda | Typical Abrasive Cleaner | |----------------------|-------------------------------|----------------------------------| | Cost | ~$0.05 per use | ~$0.50–$1.00 per use | | Toxicity | Non-toxic, food-safe | May contain bleach or ammonia | | Environmental impact | Biodegradable, minimal packaging | Plastic bottles, chemical runoff | | Sink material safety | Safe for all common sink types | Can scratch acrylic or enamel | | Odor neutralization | Chemical neutralization | Often just fragrance |

1. Introduction The kitchen sink is one of the most frequently used surfaces in a home, yet it is also a prime breeding ground for bacteria, grease, and food debris. Commercial abrasive cleaners often contain harsh chemicals and artificial fragrances. An effective, low-cost, and environmentally friendly alternative is sodium bicarbonate, commonly known as baking soda. This paper examines the chemical properties, proper methodology, and benefits of using baking soda to clean a kitchen sink.