How to prevent clogged drains
The simple habits that keep kitchen, bath, and main lines flowing.
By The T.A.P. Team · July 2024 · 5 min read
Almost every drain clog is preventable with a few habits: keep grease and fibrous food out of the kitchen sink, catch hair in the bathroom, flush only toilet paper, and rinse drains with hot water. The vast majority of the clogs plumbers clear could have been avoided upstream. Here's the short list of what causes clogs — and the easy routines that keep your drains, and your main line, flowing.
- Never pour grease down the drain — trash it.
- Use drain screens to catch hair and food.
- Flush only toilet paper — not "flushable" wipes.
- Run cold water with the disposal; hot water after.
- Don't rinse coffee grounds or rice down the sink.
Kitchen: grease and food are the enemies
Grease is the biggest kitchen offender — it pours in as a liquid, then cools and hardens onto pipe walls, catching everything after it. Never pour grease or oil down the drain; let it solidify and toss it. Keep out coffee grounds, eggshells, pasta, and rice (they swell), and fibrous foods like celery. Even with a disposal, run cold water while grinding and use a sink strainer.
Bathroom: it's almost always hair
Hair combined with soap scum causes most bathroom drain clogs. A cheap drain screen or hair catcher over the tub and sink drains stops the problem at the source — empty it regularly. Brushing hair before a shower and wiping loose hair from the tub help too.
Toilets: flush only the right things
The toilet is not a trash can. Flush only human waste and toilet paper. So-called "flushable" wipes don't break down like toilet paper and are a leading cause of clogs and sewer backups — throw them in the trash. Same for paper towels, cotton products, and dental floss.
Routine habits that help
Run hot water down kitchen drains after use to keep grease moving, and periodically flush drains with hot water (or baking soda and vinegar) to clear early buildup — a gentle, pipe-safe maintenance versus harsh chemicals. If you have big trees, be aware roots target sewer lines; a periodic camera check catches intrusion before it becomes a backup.
| Drain | Keep out |
|---|---|
| Kitchen sink | Grease, grounds, rice, fibrous food |
| Bath tub/sink | Hair (use a screen) |
| Toilet | Wipes, paper towels, cotton, floss |
| Any drain | Harsh chemical cleaners |
| Main line | Roots (camera-check if treed) |
The professional view on clogs is that prevention beats clearing — a $5 drain screen and keeping grease out of the sink prevent more clogs than any product cures. And skip the chemical drain cleaners as a "maintenance" habit; they damage pipes over time. Good habits and the occasional hot-water flush keep drains clear far more reliably.
Roots, grease, and DFW drains
In older North Texas neighborhoods, mature tree roots and aging sewer lines make prevention doubly worth it — grease and wipes that squeak by in a new home cause backups in an established one. We keep drains and main lines flowing across Plano, McKinney, and Garland. See our plumbing team.
The short version
- Most drain clogs are preventable with a few simple habits.
- Never pour grease down the kitchen sink — it hardens onto the pipe.
- Use drain screens to catch hair, the top bathroom clog cause.
- Flush only toilet paper — "flushable" wipes cause clogs and backups.
- Run hot water down kitchen drains after use to keep grease moving.
- Skip chemical drain cleaners; they damage pipes over time.
Preventing clogged drains — frequently asked questions
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