After a period of use, bathroom drainpipes can easily emit unpleasant odors that affect the air quality and comfort of your home. This problem is especially common in apartment buildings where the bathroom is often built inside the bedroom. However, with a few simple household tricks, you can completely eliminate these foul smells without using harsh chemicals.

1. Pour Vinegar Into the Drain

The simplest and most effective way to remove bathroom odors is to pour vinegar directly into the drain and let it sit overnight. Do not flush with water immediately, as that will wash away the vinegar before it has time to work. You can also place a small cup of vinegar in a corner of the bathroom to help neutralize smells in the air.

Vinegar contains acetic acid, which has strong antibacterial and deodorizing properties. It helps kill odor-causing bacteria and dissolves organic residue inside the pipes. If used once or twice a week, this method can prevent odor buildup in the long term.

Tip: Warm the vinegar slightly before pouring it in for better results.

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2. Install an Exhaust Fan

An exhaust fan is a great long-term solution. It quickly expels humid air and unpleasant odors outside, keeping your bathroom fresh and well-ventilated. Besides removing smells, exhaust fans also help reduce the growth of mold, mildew, and bacteria by lowering humidity levels. If possible, turn the fan on for 10–15 minutes after every shower to maintain good air circulation.

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3. Use the Water Seal Bag Trick

Another clever home remedy is to use a sealed water bag. Fill a plastic bag (without handles) with water and tie the top tightly. Then place the bag directly over the drain opening. The weight of the water creates a seal that prevents sewer gases from escaping into the bathroom. After a few days, you’ll notice that the unpleasant smell begins to fade.

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4. Use Deodorizing Products

Commercial deodorizing products such as scented wax, air fresheners, essential oils, or deodorizing mats can also help mask or eliminate bad odors. Choose scents like lavender, lemon, or pine for a refreshing and clean atmosphere. Remember to replace or refill these products regularly to maintain their effect.

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5. Use Coffee Grounds or Scented Sachets

Used coffee grounds or whole roasted coffee beans are excellent natural deodorizers. Place them in a small bowl or breathable bag, then hang or leave them in a corner of the bathroom. The natural aroma of coffee helps absorb and overpower unpleasant odors.
You can also use tea bags, charcoal, or clothing sachets as a quick and affordable alternative. These absorb moisture and odor effectively, though you’ll need to replace them every few weeks.

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6. Use Baking Soda and Vinegar Together

If the drain is slow or slightly clogged, a mixture of baking soda and vinegar can both clean and deodorize it. Pour half a cup of baking soda into the drain, followed by a cup of vinegar. The two ingredients will react and create a fizzy chemical reaction that helps break down residue and clear minor blockages. After about 15 minutes, flush with hot water.
Repeat this process every couple of weeks to keep your drain clear and odor-free.

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7. Use Chlorine Bleach (With Caution)

If your bathroom smells like rotten eggs, it’s likely caused by hydrogen sulfide gas produced by bacteria inside the pipes. In this case, you need to disinfect the drain thoroughly.
Pour a small amount of chlorine bleach into the drain and let it sit for a while before flushing with water. Additionally, use bleach to clean other areas of the bathroom such as the toilet, sink, and floor corners to completely eliminate bacteria and lingering smells.

Warning: Always use bleach in a well-ventilated area and never mix it with vinegar or other cleaning products, as this can produce toxic fumes.

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Final Tips

To maintain a fresh-smelling bathroom, make sure to:

• Keep the floor and toilet dry and clean.

• Avoid letting hair or soap scum accumulate in the drain.

• Use natural cleaners regularly instead of strong chemicals.

• Allow sunlight or airflow into the bathroom whenever possible.

With these easy home remedies, your bathroom will stay clean, hygienic, and free of unpleasant odors—without needing expensive cleaning products.