I bought 3 red/white cotton checkered rugs. One got wet so I put in the
washer with cold water and salt (I had heard this worked to set in your
OK--so it didn't!!
I still have 2 rugs and I want to preserve their color!
What do I use--they are used in a kitchen SO they WILL get wet and dirty!!
Dye is usually set at temperature using salts (or neo salts) to help adhere
the dye to the fibres. When heated to the same temperature again the dye
begins to migrate through the fibre wall and is free again to bleed or
redeposit somewhere else. Obviously, if you use cold water then you don't
have to have any heat to get the dye to migrate.
In addition red happens to be very difficult to fix - I would never buy a
red and another light coloured item as you are almost bound to get colour
bleed, unless you are buying polyester.
There is nothing you can use to now set the dye, any attempt will simply
start the dye running.
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