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Bath and Laundry

You use bath and laundry appliances every day, but do you ever wonder how they work? From bathroom scales to water softeners, learn about bath and laundry products.

How does a water softener work?

Hard water can be a problem because it causes pipes clog and some people just don't like the way it feels. Using a water softener can help solve this problem, but how does it work?

Why Is There a Gap at the Front of Public Toilet Seats?

Why is there a gap in public toilet seats? Learn more about why public and home toilet seats are shaped differently in this HowStuffWorks Now article. See more »

Powering Bathroom Lights With Your Urine

Could bathrooms generate their own light using urine? Learn more about generating electricity from urine in this HowStuffWorks Now article. See more »

How Air Tubs Work

Air tubs create a gentle massage by compressing air and jetting it out through the bottom of the tub via many smaller outlets. Learn all about air tubs. See more »

10 International Toilets

What types of toilets might you see on your worldly travels? Check out these 10 international toilets to find out! See more »

Do you know how to install a bathtub drain? Find out how to install a bathtub drain in this article from HowStuffWorks. See more »

10 Stand-up Facts About Waterless Urinals

10 stand-up facts about waterless urinals are told in this article. Visit to learn more about the 10 stand-up facts about waterless urinals. See more »

How much water do waterless urinals really save?

How much water do waterless urinals really have? Visit to learn about how much water do waterless urinal really have. See more »

How the Toto Washlet Works

The Toto Washlet, a toilet seat with a personal spray jet, is marketed as a cleaner alternative to toilet paper. Learn all about the Toto Washlet. See more »

How Tankless Toilets Work

Tankless toilets conserve water and take up less space. Learn about tankless toilets at HowStuffWorks. See more »

How Laundry Detergent Works

The average American family does 300 loads of laundry a year. That's a lot of laundry detergent! Learn all about laundry detergent in this article. See more »