I feel like I know you, from following posts in DyersList -- I know I trust your opinion! I wonder where you stand on the relative merits of Cibacron/Sabracon vs ProMX dyes for dyeing cotton fiber and yard goods.
 
I've been dyeing protein fibers+yarn+yard goods with Sabraset for pushing 15 years now, and feel very confident about my ability to blend desired colors and obtain reproducible results. Is the Sabracon palette comparable to Sabraset? (...and therefore possibly a quick and easy transition for me to make?)
 
Do people use the ProMX line because more ready-mixed colors are available? Or does the line have other qualities to recommend it?
 
If you were getting ready to set up a corner of your studio for dyeing cottons, which would you choose?

I'm afraid that the Sabracron dyes do not have very much in common with the Sabraset dyes. They are both high-quality series of dyes, but the individual dye colors are not very much equivalent. Of course you've learned a considerable amount about color mixing by now, that can be applied to any dye system.

I have a small preference for Procion MX dyes as compared to Cibacron F (Sabracron), because there is a wider range of single-hue unmixed dye colors, not to mention a great many more pre-mixed colors, and they also tend to cost a bit less. The Cibacron F dyes cost 50% to 100% more, per ounce, than the Procion MX dyes from the same source. Cibacron F dyes require a little more heat than most Procion MX dyes, so it's even more critical to find a warm place to let them react, if your dyeing studio is cold, though that's not difficult if you devote a little thought to it. There are many more retail sources for small quantities of Procion MX dyes, though this is not all that significant since ProChem is still my favorite. The Cibacron F dyes have their advantages, however. They are each about equal in tinctoral strength, so it's easier to decide how much to mix to get different colors, and I think they are better for people who measure their dye by volume rather than weight. (I often do this.) Overall, the two types of dye, Procion MX and Cibacron F, are very similar, and I use them interchangeably or even mixed together. I love them both, for the same reasons.

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