What usually causes it
- Grease coating building up in the kitchen line
- Hair and soap film in bathroom drains
- Scale and rust narrowing old metal pipes
- Roots beginning to enter the sewer line
- A low or sagging section of pipe collecting debris
- Partial blockage from something flushed or dropped
What you can safely check
- Note which fixtures are slow — one fixture is local, several means the main line
- Clean the visible drain strainer and pop-up stopper — hair collects there first
- Fill the sink and watch how it drains: steady-but-slow suggests narrowing; glugging suggests venting or a deeper partial clog
- Skip the chemical cleaners — at best they buy a little time, at worst they damage old pipe and sit in the line
When to call a plumber
Call when several fixtures are slow, when a slow drain is getting worse month over month, or when a cleaned drain slows down again quickly. Those patterns mean the pipe itself has a problem building — roots, scale or a sag — and a cleaning plus a camera look will show you what is actually happening underground or inside the wall.
The service that usually handles this: Drain Cleaning. We handle slow drains calls across White Plains and Westchester County — including White Plains, Scarsdale and Yonkers.
Questions about slow drains
Is a slow drain really worth a plumber visit?
At the single-fixture stage it is a straightforward cleaning. Left alone, it becomes a full clog — and full clogs have a habit of happening on weekends and holidays. Slow drains are the plumbing problem that warns you first; it is worth listening.
Why is only my upstairs bathroom slow?
Each bathroom group drains through its own branch. A slow upstairs group usually means buildup in that branch or its vent — local to that part of the house, which is actually good news compared to a main-line problem.