Photo: SoraNews24

The ultimate in water recycling: Taking a bath in dehumidifier water

By Scott Wilson, SoraNews24

Japan is all about trying to live as eco-friendly as possible, and they’re not against trying new, seemingly crazy things. We’ve seen wearable, sustainable grocery bags, and even generating electricity via the power of adult entertainment before.

But recently one of our Japanese writers, Chie Nomura, was struck with a potentially new way to reuse and recycle: by using the water from her apartment’s dehumidifier.

▼ Sometimes inspiration can come from the unlikeliest of places.


With it being rainy season in Japan, the constant downpours result in a daily humidity of 75 percent and higher, meaning there’s a lot of water in the air. The dehumidifier sucks that moisture out of the air in the apartment, making it feel cooler inside compared to the wet outdoors.

Typically you’re supposed to dispose of the dehumidifier water every few days, but Chie figured rather than tossing that water down the drain, she could put it to work instead!

After getting permission from the capsule apartment staff, Chie made the preparations. She got a portable bathtub, and collected two weeks worth of dehumidifier water.

▼ It was a lot of work, but hopefully it would be worth it.


One other very important item on her shopping list was chlorine to clean the water. Even though it looked clear, it wasn’t guaranteed to be hygienic, and Chie had read in her research that dehumidifier water wasn’t usually safe to give to plants or use for laundry.

So she decided to play it safe and dumped a bunch of chlorine into the tub before going in herself.

▼ Once all that was done, there was nothing left to do but step in and try it.


▼ And what was her first impression of the dehumidifier bath? “It’s… cold.”


Unfortunately that was to be expected. Even though the air that the water had come from was humid, there was nothing about the water itself that made it any warmer than regular room temperature liquid.

Not only that, but it had been sitting around for two weeks, so any semblance of warmth the water may have once had was long gone. Combined with the portable bathtub just being a large plastic container with no heating whatsoever, it was a bit chilly.

▼ But with the air conditioning off, the coldness was kind of refreshing amid the summer heat, and Chie soon found that she enjoyed the experience.


Aside from the initial coldness, the water felt perfectly fine. It wasn’t any more slick or sticky than regular bath water, and aside from the chlorine making her apartment smell like a public pool, Chie had no complaints.

▼ With a towel on her head and a slight change of photography angle, it was almost like she was in a private hot spring… or cold spring?


Afterward, Chie said that even though she enjoyed the experience, it was way too much work to do as a regular thing, and she doesn’t recommend it for regular families. Not only did it take two weeks to collect enough water, but making the entire apartment smell like a pool was a serious drawback too.

At the end of the day, reusing dehumidifier water may be a fun experiment, but it’s far from the most impactful thing you can do if you’re concerned about recycling. If you’re someone who uses lots of water bottles, you may instead want to first make use of those in fun new ways before worrying about the liquid itself.

Read more stories from SoraNews24.

-- Japanese artist uses newspaper to make immense, life-like sculptures

-- We rock Japan’s new wearable grocery bag for sustainable, stylish shopping

-- Make your instant coffee 10 times yummier with this one simple trick

© SoraNews24

©2024 GPlusMedia Inc.

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Chie could also not flush her lavatory more than 3 times a day-even more savings!

0 ( +1 / -1 )

Please no! This is a terrible idea. I hope she doesn't get a fungal infection. The smell of that water must have been terrible.

-1 ( +0 / -1 )

I hope her dehumidifier is RoHS compliant.

-1 ( +0 / -1 )

Use the water to flush the loo.

2 ( +3 / -1 )

Japan is eco-what? XDDDD sorry can't stop laughing.

it's one of the least eco-friendly nations I know.

-1 ( +1 / -2 )

Very dangerous for the babies who might crawl up in there when husband is out and wife is in the kitchen.

0 ( +1 / -1 )

'The water the dehumidifier collects is actually very clean water; comparable to distilled water. ... The condensed water is pure because when the water originally evaporated into the air, it left its impurities and minerals behind. So providing your coils are clean, you could collect the dripping water and drink it. But if the water sits around in the tank, it can provide a hospitable medium for the growth of bacteria and molds making it unfit for drinking' [McGill Office for Science and Society]

I used to use a dehumidifier in my garage and used the water on my plants. The basics of this are used in an assortment of technologies to harvest moisture from the air for agriculture and water supplies in developing countries with limited access to fresh water.

Home science experiments are cool, so good for Chie. Just be careful if you are using chlorine. There are more effective ways for most of us to do our bit for the planet in everyday life.

Here's an easy one: Eateries could offer smaller meals for elderly people. As folk get old, they often cannot eat so much, but may feel uncomfortable ordering a child's meal. That would help combat food waste outside the US. In the US, additionally reduce all meals sold by about 50%.

2 ( +2 / -0 )

Also Chie needs to get another job…

0 ( +0 / -0 )

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