Final answer:
Drain cleaners, including alkaline solutions like lye, are used to dissolve grease and prevent clogs, but they must be used carefully because of potential hazards. Alternatives with peroxide compounds offer a safer solution. Devices in sinks can aid in preventing blockages.
Step-by-step explanation:
To prevent grease buildup from blocking the drain, it is important to understand the role of drain cleaners and how they work. Household drain cleaners often contain strong alkaline or acidic chemicals designed to dissolve clogs. For example, sodium hydroxide, commonly known as lye, can react with grease, hair, and food particles that cause blockages.
However, lye-based cleaners are extremely caustic and can pose serious risks if they come into contact with skin or are used improperly. Safer alternatives, such as non-lye-based cleaners with peroxide compounds, are effective without the same level of danger. It is essential to use drain cleaners according to the manufacturer's instructions to avoid injuries to eyes, lungs, skin, and damage to household materials. Physical devices in sinks can also help maintain water flow by preventing large particles from entering the drain in the first place.