Is Drain Cleaner Bad for Pipes?

Drain cleaners are a popular solution for clearing clogs, but is drain cleaner bad for pipes? The short answer is: it depends. While drain cleaners can be effective, certain types can cause significant damage to your plumbing over time.

Understanding how these products work, their risks, and when they can be safely used is essential for maintaining a healthy residential plumbing system.

How Drain Cleaners Work

Chemical liquid drain cleaners typically contain powerful ingredients such as sodium hydroxide (lye) or sulfuric acid, which generate heat to break down clogs. These chemicals dissolve hair, grease, and soap scum, allowing water to flow freely again. While chemical drain cleaners work quickly, they have significant risks, particularly for older or weakened pipes.

There are also enzyme-based drain cleaners that use bacteria to digest organic matter more slowly and safely.

Potential Damage to Pipes

The intense heat and corrosive nature of chemical drain cleaning liquids can weaken pipes over time, and repeated use can cause:

• Corrosion: Strong chemicals can eat away at metal pipes, leading to leaks and costly repairs.
• Softened PVC Pipes: Plastic pipes may become warped or weakened due to the high temperatures produced by chemical reactions.
• Damage to Septic Systems: Harsh chemicals can kill beneficial bacteria in septic tanks, disrupting the system’s balance.
• Harm to the Environment: Residual chemicals that make their way into water systems can pose risks to the environment and wildlife.

Situations Where Drain Cleaners May Be Safe

While frequent use of chemical drain cleaners can damage pipes, there are certain cases where liquid drain cleaners can be used with caution, especially enzyme-based ones.

• For Minor Clogs: Occasional use of a mild, enzyme-based drain cleaner helps clear organic buildup without harming pipes.
• On Newer, Well-Maintained Pipes: If your plumbing is in good condition, occasional use of drain cleaners may be safe.
• For Preventative Maintenance: Some enzymatic cleaners are designed to prevent buildup.

When to Call a Professional

Calling a professional plumber is the best course of action if you experience frequent clogs, slow drainage, or suspect pipe damage. Professional drain cleaning services utilize hydrojetting, augers, and specialized tools that clear pipes without causing damage.

Plumbers diagnose the root cause of blockages, use appropriate drain cleaning methods, and help prevent future plumbing issues.

FAQs About Drain Cleaners

Does drain cleaner damage pipes?

Chemical drain cleaners can damage pipes, especially if used frequently or improperly. The harsh chemicals can corrode pipes over time, leading to leaks, cracks, or even complete pipe failure.

What do plumbers recommend to keep drains clean?

Plumbers recommend using enzyme-based drain cleaners, avoiding grease and food scraps in drains, and periodically flushing with hot water and baking soda.

How can I keep my drains from clogging?

To prevent clogs, use drain strainers, avoid pouring grease down the sink, dispose of food scraps properly, and regularly clean drains with a mix of vinegar and baking soda.

Schedule Professional Drain Cleaning Services in the San Fernando Valley & LA Today

If you’re dealing with stubborn clogs or slow drains, don’t risk pipe damage with harsh chemical liquid drain cleaners. Lynch Plumbing and our professional plumbing team in the San Fernando Valley and Los Angeles offer safe, affordable, and effective drain cleaning services using the latest techniques and technologies. Contact us today for fast and reliable service.