A drain that clogs once is annoying. A drain that keeps clogging is telling you something: the original blockage was never fully cleared, or there is a bigger issue inside the pipe.
Common causes of repeat clogs
- Grease and food. Grease cools and hardens inside the pipe, then catches everything that follows.
- Hair and soap scum. A classic bathroom-drain combination that builds up over time.
- Minerals and scale. Hard water can narrow pipes, especially combined with other buildup.
- Tree roots. Roots enter small cracks in sewer lines and grow into a full blockage.
- Pipe problems. Bellies, offsets, or damaged sections trap debris, especially in older homes.
Why chemical cleaners often make it worse
Store-bought cleaners may open a channel through the clog without removing it, and repeated use can damage older pipes. Mechanical cleaning is more thorough and safer for your plumbing.
How professionals clear it for good
A drain snake or auger removes the blockage, while hydro jetting scours the pipe walls to remove grease and scale. If clogs keep returning or several fixtures are slow, a camera inspection can reveal the underlying cause and whether sewer line repair is needed.
Prevention habits that help
- Wipe grease into the trash, never down the drain.
- Use drain strainers to catch hair and debris.
- Run plenty of water when using the disposal.
- Schedule drain cleaning if clogs become routine.
Questions about your own plumbing? Contact us or call (800) 390-6351. This article is general guidance, not a diagnosis.