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How To: Get Solid Black Using Fiber Reactive Dye

A Few Things About Black Dye:

Black can be the hardest color to get. We currently have 5 blacks. Each has a different color cast. All except #250 work well in direct application methods like tie-dye where the fabric is kept moist long enough for the dye to develop full color. Always remember to quadruple the dye when using black, and use 1.5 - 2 times as much salt.

You will see some differences depending upon which you use, your particular situation, and your techniques. When tub dyeing (solid shade dyeing), there are some clear differences...

#44 Better Black
This is one of our best selling blacks. Tub dyes with a purple-blue cast and edges are blue in tie-dye.

#39 Black
tub dyes with a grayish green cast and edges are blue in tie-dye.

#300 New Black
Our other best selling black - tub dyes with a very blue cast and edges are blue in tie-dye. Some of our good tie-dye customers say mixing #44 & #300 half and half give them good results.

#250 Jet Black
BACK by popular demand; But the price did go way up, as we had said it would. Also, one of the ingredients was no longer available, so we had to experiment around with a new one. This color runs a little different than what you were used to, so if you want to go back to this color, we recommend TESTING before you go whole hog and purchase a very expensive 25 pounder or something!!! Best tub dyed in hot (130° to 150°F) water! Not black on silk or wool or other protein fibers. Not black in tie-dye, batik or low immersion tecniques unless you have a way of heating it while it is curing. (But that would melt the wax with Batik).

#275 Hot Black - NEW!
Also best tub dyed in hot (150° to 180°F) water, like the #250, which it was replacing. Now it is a less expensive alternative. Tub dyes with a deep but bluish black cast on cotton. With Soda Ash on silk is a deep blackish brown, with vinegar on silk, came out black in our tests and a less deep shade of black on wool. #250 Jet has never come out black on silk or wool. Tie-dye came out really black for us in warm ambient room temp of 75°F or more! (unlike #250, which it was replacing). If you are looking for a different black, give it a try. The only Fiber Reactive black that works on silk!

For best tub dyed blacks, use Dharma Dye Fixative in a final soak in HOT water for 30 minutes before washing out the excess dye. Black is a tough color - you have to use a lot of dye and when tub dyeing, use 1.5 to 2 times the salt! Do NOT use Fiber Reactive Procion Dye to get black on silk, use acid dye on wool and silk for solid black. Exception - try our NEW #275 Hot Black!

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