How to clean a shower drain? Easy DIY solutions

How to clean a shower drain

A shower drain is a completely different problem from a kitchen drain, and treating them the same is why people pour the wrong thing down and get nowhere.

Kitchen drains clog with grease. Shower drains clog with hair bound together by soap scum, which forms a dense mat that sits just below the drain cover. That difference decides the whole approach: this is a mechanical problem, and it responds to removal rather than to chemistry.

Remove the Cover First

Most of the clog is within the first few inches, and you cannot reach it through a strainer.

Drain covers come in a few types. Some lift straight out. Some have a visible screw in the center. Some are the toe touch or push button style, which usually unscrew counterclockwise by hand, and some are the lift and turn type with a small set screw on the knob. Take a moment to identify which one you have rather than forcing it.

Once it is off, most of what is blocking your drain is visible.

Pull It Out Mechanically

A plastic drain cleaning strip, the flexible barbed kind sold everywhere for a couple of dollars, is the single most effective tool for this and it costs less than a bottle of drain cleaner.

Feed it down, twist, and pull slowly. What comes up is unpleasant and it is also the entire problem solved. Repeat until it comes back clean.

Needle nose pliers or a bent piece of coat hanger work for anything sitting right at the top. Wear gloves and do this over a trash bag, because you will not want to carry it anywhere.

Then Flush and Degrease

Hair holds together with soap scum and body oil, so after the mechanical removal, deal with what is coating the pipe wall.

Boiling water in stages, unless your pipes are PVC, in which case use very hot tap water. Then baking soda and vinegar in the correct order: half a cup of baking soda straight down the dry drain, then a cup of vinegar, cover it, wait fifteen minutes, and flush with hot water.

Be honest about what this stage does. It clears residue and deodorizes. It was never going to remove the hair mat, which is why people who skip straight to it conclude that nothing works.

If It Is Still Slow

A small hand auger reaches past the trap and either breaks up or retrieves what is further down. Feed it in gently and turn as you go rather than forcing it.

A plunger can help in a shower, and it needs enough standing water to cover the cup, plus the overflow blocked if it is a tub.

Skip the Chemical Drain Cleaner

It is the most popular option and the worst one here.

Caustic drain cleaners generate heat, can damage older pipes and PVC joints, and are poor at dissolving a dense hair mat, which is the actual blockage. When they fail they leave a pipe full of caustic liquid that a plumber then has to work in, so tell them if you have used one.

On a septic system, avoid them entirely.

The Smell Is Usually Not the Clog

If the drain runs fine but smells, the cause is different.

Most often it is biofilm coating the inside of the pipe just below the drain, which responds to an enzyme drain treatment left overnight rather than to a flush. Enzymes break down the organic matter rather than pushing it along.

The other possibility is a dry P trap, which happens in a shower nobody uses. The trap holds water that blocks sewer gas, and when it evaporates the barrier is gone. Running water for ten seconds fixes it, and it is worth doing monthly in a guest bathroom.

Stop It Happening Again

A hair catcher over the drain is the entire solution and it costs almost nothing. Empty it when you shower rather than when it becomes a project.

Run hot water for thirty seconds after showering to move soap residue along. Use an enzyme treatment monthly if your household sheds a lot of hair. And brush hair before getting in rather than in the shower, which removes a surprising proportion of it.

When to Call a Plumber

If more than one fixture is slow, the problem is the main line rather than the shower. If water backs up into another fixture, same conclusion. If you have cleared the top and used an auger without success, the next tool is powered and that is professional work.

While You Are In There

The same soap scum that bound the clog is on the shower walls, the glass and the grout, and in North Texas it is mixed with hard water scale. Those need opposite products, which is why one bottle never fixes a whole shower.

Call (214) 430-4447 or request a free quote online and ask about a deep clean. We will tell you what will come back, what has etched and cannot, and what belongs to a plumber instead.

Keep Reading

Rather hand the work to a team that does this every day? See our deep cleaning service or call (214) 430-4447 for a free quote.

Call us now!(214) 430-4447