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How do you use a bidet? FAQs answered

Although bidets are widely-used in bathrooms around the world, many people in North America are still becoming familiar with them. Further, since bidets clean the most private area of one’s body, the topic tends to remain private as well. Yet people who regularly use a bidet experience improved personal hygiene and comfort.

Perhaps it’s a lack of understanding that keeps people from the daily benefits of a bidet. With this in mind, here are the answers to five frequently-asked questions about bidets.

How does a bidet work exactly?

Once you easily install the Coway Bidetmega 200 onto your toilet, you sit on it just like you would a regular toilet seat. Then you go to the bathroom just like you do every day—number one, two or both. But now, instead of wiping with toilet paper, you press the manual control buttons next to the toilet to activate cleansing streams of water from the bidet. The control panel allows you to customize many features, such as water flow, temperature and different wash settings, including rear and front washes.

Should you use soap with a bidet?

That is up to you. Some people do, and some people don’t. Those who don’t use soap are following the advice that “water is the best and healthiest way to clean just about everything.” The water flow from the bidet is strong enough to provide a thorough clean without additional soap. Keep in mind, too, that cleanser can be an irritant to sensitive body parts. In fact, that’s why the Coway Bidetmega 200 has a wash setting specifically designed for women.

But some people prefer to keep a bar of soap within arm’s reach of their bidet, and that’s fine, too. 

Do you need to use toilet paper with a bidet?

Again, there’s a level of personal preference here, but in general, the answer is no. The water flow from the bidet does the cleaning; it replaces the need for toilet paper. As far as drying oneself, the Coway Bidetmega 200 comes equipped with a drying function.

However, old habits can die hard. If you choose to use toilet paper with the bidet, just discard it afterwards in the toilet bowl like you normally do. Note: You’ll likely use a lot less toilet paper since the water jets will do most of the cleaning.

Are bidets good for septic tanks?

As the contractors at BuildDirect write: your septic tank will love your bidet. As described above, bidets reduce the need for toilet paper. Less toilet paper means fewer clogs in your system’s pipes and septic tank.

Are bidets a good value?

Yes. Not only do bidets save money by lowering household toilet paper expenses, they potentially reduce paper clogs in the bathroom plumbing. Also, the improved personal hygiene can relieve symptoms of bathroom-related issues like hemorrhoids and IBS (irritable bowel syndrome), particularly skin irritation. A bidet is an upfront investment, but it pays for itself through numerous benefits over time.


1Coway air purifiers have been proven to trap dust, pollen, dander, viruses and bacteria in the air based on KCL (Korea Conformity Laboratories) testing.They have been tested in a 30㎥ size chamber according to the Korea Air Cleaning Association standard (SPS-KACA 002-132:2022 Modified) to measure the 0.01㎛ size of particle removal rate. It was tested on maximum airflow speed in normal room temperature and humidity conditions. The performance may vary in the actual living environment of customers.
→ Tested with Airmega Aim, 100, 150, 160, AP-1216L, AP-1512HH, AP-1512HHS, 200M, Icon, IconS, 230, 240, 250, 250 Art, 250S, 300, 300S, 400, 400S, ProX

299.97% of viruses, bacteria, fungi and pollen were verified to be removed from the air for Coway air purifiers which have Green True HEPA™ filter applied based on the Japan Food Research Laboratories(JFRL) testing according to JEM 1467 standard.
→ Tested with Coway Airmega AP-1512HH, AP-1512HHS, 250, 250 Art, 250S, 300, 300S, 400, 400S
→ All tested by JFRL and received above result within below time.

All tested by JFRL and received above result within below time.

- Virus: Tested with Escherichia coli phage ΦX174 NBRC 103405, 60 minutes
- Bacteria: Tested with Staphylococcus epidermidis NBRC 12993, 60 minutes
- Fungi/Mold: Tested with Penicillium citrinum NBRC 6352, 60 minutes
- Pollen: Tested with Cedar Pollen extract, 60 minutes

3Aerosol test conducted in a Biosafety level 3 laboratory with two Coway air purifier models, Coway Airmega 250 and 400 for removal of SARS-CoV-2 Aerosol by US based MRI Global, a not-for-profit laboratory and partner of US Department of Defense. The test was conducted in a 13.1ft3 chamber. Virus was aerosolized for 15 minutes and the product was turned on high for 2 minutes. Result showed each product effectively removed over 99.98% of the SARS-CoV-2 in 2 minutes. This is a result from a laboratory experiment condition and result may vary in different conditions. This result does not imply it kills SARS-CoV-2 or prevents the transmission of Covid-19. Coway Airmega 250S and 400S are identical to the tested models and has equal performance with an additional mobile connectivity function.

4The concentration of ammonia, acetaldehyde and acetic acid were proven to be removed within 30 minutes by FCG Research Institute, Inc. Human Life Science Lab. It is not a demonstration result in the actual use space. Not all odors and gases may be supported. → Tested with Coway Airmega 150, 160, AP-1512HH, AP-1512HHS, 400, 400S

5The coverage area of the air purifier is based on an area where the air cleaner can make two air changes per hour (ACPH). An air change per hour translates to how many times an air purifier can clean an area, assuming the height of a ceiling to be 8 ft, in one hour. Therefore ** means two air changes per hour means that the cleaner can clean the area once every 30 minutes and * means air changes per hour means that the air purifier can clean the area once every 60 minutes.

10Terms and conditions apply. Discounts, including promotions, coupons, bundle discount and subscription discount, cannot be stacked on top of other coupons. During promotional periods, discount codes will not be able to be applied to orders. Promo codes may apply to products only—filters, accessories, and new products within 3 months of the release date are not included.