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To make slightly off-white color whiter. White clothes get a slight yellow colour after repeated use and wash, adding a trace of blue color to the slightly off-white color of these clothes makes them appear whiter. Use as an alternative to bleaching of whites

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Q: Why do you use robin blue when you wash white clothes?
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Related questions

Why are the white clothes dipped in blue after the wash?

A slight hint of blue to the white clothes makes them appear a brighter white in sunlight


Why do white synthetic clothes go grey?

Because u wash clothes to long.


What colors of clothes wash together in the washer?

Colors that are white will wash together, dark colors will wash together, and bright colors will wash together.


When your white clothes get coloured how do you change them back to white?

You bleach them! Use Clorox the next time you wash your clothes, but be careful, only put solid white things in the wash, otherwise, any colors at all will turn white! I learned this the hard way!


How do you turn pink clothes back to white after a wash?

You can't but you can wash your whites with baking soda to make it whiter.


Why do you dip white clothes in blue after the wash?

Bluing is a very mild dye that cancels out the slight yellow tinge in white clothes caused by the detergent. It makes clothes look "whiter than white". Today's laundry detergents contain chemicals that do the same thing as bluing, except that the clothes washed in it look even more white under sunlit conditions. Bluing. Who remembers 'Mrs Stewart's' brand?


How can you turn white clothes into red clothes?

by dying it red or put in the wash with lots of other red cloths


Why does a washerman use indigo to wash white clothes?

Wonder the same thing...?


Do you wash white clothes in hot or cold water?

Hot, categorically.


How do you wash clothes white and color?

you should separate it - and doing 2 washes


How do you wash your white clothes?

put them in the washer and put bleach on them and if they have things on them make a different pal and wash them in cold waterr.


Why did you segregate the white clothes from colored?

For basically two reasons: white clothes are bleached most of the time. But in the case where bleach isn't used, the color from the colored clothes could bleed onto the white clothes, discoloring them.