Chemical drain cleaners are not a safe choice for most clogs. They can damage older pipes and fixtures, burn skin and eyes, and often fail to clear the blockage completely.
How Chemical Cleaners Work
Most store-bought drain cleaners use strong chemicals that create heat when they hit a clog. The goal is to melt grease, hair, and soap. The problem is that the heat and chemicals also touch the pipe itself, the trap under the sink, and any metal or rubber parts along the way.
The Risks
- Pipe damage: older metal pipes and thin plastic traps can weaken with repeated use.
- Injuries: splashes can burn skin and eyes, especially if you plunge after pouring.
- Fumes: mixing different products can release harmful gases.
- Trapped chemicals: if the clog does not clear, the sink is left full of caustic water that anyone fixing it must deal with.
Chemical cleaners also tend to punch a small hole through a clog instead of removing it. The drain may work for a few days and then slow down again, which leads many people to pour in even more.
Safer Ways to Handle a Clog
For a single slow sink or tub, start with a plunger. Remove the stopper and clean out any hair or debris you can reach. A small hand auger can also help with shallow clogs. Wear gloves, and go slowly so you do not scratch the sink or tub. If you have already used a chemical cleaner, tell anyone working on the drain so they can protect themselves.
When to Call for Help
If plunging does not work, or several drains are slow at once, the blockage is likely deeper. Professional drain clearing uses tools that scrape the pipe walls clean instead of eating through them.
You can also get a professional opinion about drains that clog often. JPR Plumbing answers at (833) 603-1840, weekdays from 9:00 a.m. to 9:00 p.m.