How to Unclog a Slow Draining Shower

Why Is My Shower Draining Slowly?

A slow draining shower is almost always caused by hair. Every shower, loose hairs wash down the drain and accumulate on the drain cover and inside the pipe. Over time, hair combines with soap scum and shampoo residue to form a mat that partially blocks water flow.

Other contributing factors:

• Soap scum: Bar soap leaves a waxy residue that binds with hair and coats pipe walls
• Shampoo and conditioner buildup: Thick products accumulate over time
• Mineral deposits: Hard water causes calcium buildup that narrows the drain

The good news: slow shower drains are almost always located right at or just below the drain cover — making them easy to fix without tools or chemicals.

Method 1: Remove Hair from the Drain Cover (Start Here)

Before trying anything else, always check the drain cover. The majority of slow shower drains are caused by a visible hair mat sitting on or just below the drain cover — not a deep pipe blockage.

1. Put on rubber gloves
2. Remove the drain cover — most unscrew with a screwdriver or simply lift off
3. Look into the drain with a flashlight
4. Use your fingers, needle-nose pliers, or a bent wire to pull out all visible hair
5. Clean soap scum from the drain cover itself
6. Replace the cover and test drainage

This step alone restores full drainage in the majority of slow shower cases — in under 3 minutes. It's unpleasant but extremely effective.

Method 2: Zip-It Plastic Hair Removal Tool

A Zip-It tool ($3–5) is specifically designed for hair clogs and is the most effective tool for slow shower drains. It reaches deeper than your fingers and pulls out hair that's accumulated below the drain opening.

1. Remove the drain cover
2. Insert the Zip-It tool as far as it will go into the drain
3. Twist slowly and pull back — the barbs grab and pull out hair
4. Remove the hair from the tool (wear gloves)
5. Repeat until no more hair comes out
6. Replace the drain cover and flush with hot water

Keep one of these in every bathroom. They're cheap, reusable, and more effective than any chemical treatment for hair clogs.

Method 3: Baking Soda and Vinegar

After removing the bulk of the hair manually, baking soda and vinegar clears remaining soap scum and organic buildup from inside the pipe.

1. Pour ½ cup of baking soda directly down the drain
2. Follow immediately with ½ cup of white vinegar
3. Cover the drain with the drain cover or a cloth to direct fizzing downward
4. Wait 20–30 minutes
5. Flush with the hottest tap water for 2 minutes
6. Repeat if drainage is still slow

Best used as a follow-up after manually removing hair, or as a monthly maintenance treatment to prevent soap scum buildup.

Method 4: Boiling or Very Hot Water Flush

For soap scum and shampoo buildup causing slow drainage, a hot water flush can dissolve the residue and restore flow.

1. Boil a kettle of water (use very hot tap water if you have PVC pipes)
2. Pour slowly down the drain in 2–3 stages, waiting 30 seconds between each pour
3. Follow with hot tap water running for 2 minutes

Best used after removing hair manually, as a follow-up treatment to clear remaining soap residue.

Method 5: Drain Snake

For slow drains that don't fully clear with the above methods, a drain snake physically reaches deeper into the pipe to remove accumulated hair and soap scum.

1. Remove the drain cover
2. Insert the snake end into the drain
3. Turn the handle clockwise while pushing forward
4. When you feel resistance, rotate to break up or hook the buildup
5. Pull back slowly, removing debris
6. Repeat until the snake moves freely
7. Flush with hot water

Step-by-Step: Which Method to Try First

1. Start here: Remove the drain cover and pull out hair by hand or with a Zip-It tool — fixes most slow shower drains immediately
2. If still slow: Follow up with baking soda and vinegar to clear soap scum
3. If still slow: Hot water flush to dissolve remaining residue
4. If still slow: Drain snake to reach deeper buildup
5. If still slow: Call a plumber — may be a deeper pipe issue

How to Tell If It's Getting Worse

A slow shower drain that's getting progressively slower needs immediate attention:

• Water pools above your ankles during a normal shower
• Drainage takes more than 1–2 minutes after the shower ends
• Gurgling sounds when the shower drains
• Odors coming from the drain

Fix a slow drain before it becomes a complete blockage — it's much easier at the slow stage.

How to Prevent Slow Shower Drains

• Install a hair catcher: The single most effective prevention tool. A $5–10 hair catcher placed over the drain catches hair before it enters the pipe. Empty after every shower. This one change prevents most shower drain clogs entirely
• Brush hair before showering: Removes loose hairs before they can wash down the drain
• Monthly baking soda and vinegar treatment: Prevents soap scum buildup inside the pipe
• Clean the drain cover weekly: Remove and clean any hair from the cover surface regularly
• Switch to liquid soap: Bar soap leaves significantly more residue than liquid body wash

When to Call a Plumber

• Multiple drains in the house are slow simultaneously
• You hear gurgling from other drains when the shower runs
• Sewage odors are present
• The slow drain returns very quickly after clearing
• Water backs up into other fixtures

Final Thoughts

Slow shower drains are almost always hair clogs located right at the drain opening. Start by removing the drain cover and pulling out hair by hand or with a Zip-It tool — this fixes most slow shower drains in under 5 minutes. A $5 hair catcher prevents most slow shower drains from developing in the first place and is the best investment you can make for shower drain maintenance.