11 Japanese Bathroom Rules That Stop Mould Before It Starts
Long-form19:07Entertainment
Published Sep 3, 2026, 10:00 PM · 6w ago
Haruko Tanaka
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Description
🔗 My books: everything I know about running a calm, ordered home, put down in writing:
https://japanesehomewisdom.com
This video explores the eleven Japanese bathroom rules designed to prevent mould growth. Haruko Tanaka, drawing from her upbringing in rural Japan, contrasts these practices with common American bathroom habits, highlighting how cultural differences influence hygiene and home maintenance.
In this video, viewers will learn about the unique strategies employed in Japanese bathrooms that minimize moisture and discourage mould formation. Tanaka discusses the specific architectural elements, cleaning habits, and cultural norms that contribute to a healthier bathroom environment. By understanding these rules, viewers can gain insights into effective water management and hygiene practices that have been honed over generations.
**What's covered in this video:**
- The separation of toilets and bathrooms in Japanese homes helps maintain dry conditions and hygiene.
- Japanese bathrooms utilize a unit bath design to reduce surfaces where water can linger.
- Soft items like towels and mats are kept in a separate, dry changing room to prevent mould growth.
- The unique bathing process in Japan, involving rinsing before soaking, keeps tub water cleaner for family use.
- Daily habits such as using a squeegee to remove water from walls contribute to a mould-free environment.
- Japanese bathrooms are built with continuous mechanical ventilation to control humidity effectively.
- The importance of maintaining indoor humidity under sixty percent to prevent mould-related issues.
- The presence of Serratia marcescens, a bacterium often mistaken for mould, serves as an indicator of dampness.
- The rainy season, known as Tsuyu, tests the effectiveness of these mould prevention rules.
- Identifying and fixing leaks is crucial, as no cleaning habit can resolve underlying plumbing issues.
- The overall principle emphasizes drying wet surfaces within twenty-four to forty-eight hours to prevent mould.
**Mentioned in this video:** Haruko Tanaka, Japanese homes, American environmental agency, Hotel New Otani, Tokyo Olympics, Serratia marcescens, Tsuyu, hinoki cypress, Japanese bathing culture.
#JapaneseBathing #MouldPrevention #HomeHygiene
00:00 The Cloth On The Edge Of The Tub
00:39 Come In, Shoes Off At The Step
01:18 The Thread: One Day, Two Days
01:56 Eleven: The Toilet Has Its Own Room
02:38 Eleven, Continued: The Line On The Floor
03:19 Ten: The Wet Room Is One Waterproof Box
04:07 Ten, Continued: Fewer Seams, Less Hiding
04:47 Nine: Nothing Soft Lives In The Wet Room
05:30 Nine, Continued: The Mat And The Curtain
06:11 Eight: Wash Outside The Tub
06:57 Eight, Continued: Why The Water Is Hot And Short
07:44 Seven: Squeegee The Walls Before You Leave
08:25 Where Are You Watching From
09:00 Six: The Fan Runs After You, Not With You
09:43 Six, Continued: The House That Breathes By Law
10:30 Five: Keep The Air Under Sixty
11:17 One Thing Before Rule Five
11:55 Four: The Pink Comes First
12:39 Four, Continued: What Removes It
13:24 Three: The Rainy Season Rule
14:11 Two: Fix The Water Before The Habit
15:00 Two, Continued: The Room With No Fan
15:42 One: Start The Clock
16:16 One, Continued: The Cloth
16:56 A Word On Wood And Hinoki
17:37 One Thing To Do Tonight
18:11 Tell Me Where You Are
18:42 Dry By Morning
Details
- Published
- Sep 3, 2026, 10:00 PM
- Length
- 19:07 (1,147 s)
- Format
- Long-form
- Category
- Entertainment
- Audio language
- EN
- Quality
- HD
- Captions
- No
- Made for kids
- No
- Licensed content
- No
- Video ID
- RNEOpMqJwVQ
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