I had the yarn, I had the acid dyes and finally I had the urge. There were colors I needed in my stash, in quantity, and at every online yarn sale I saw, those were the colors that were already sold out. And/Or, the colors I wanted were very expensive.
I also wanted to try speckled yarn, as it is currently the rage in knitting land and I watched enough YouTube videos to convince myself that I could dye it myself.
One video suggested salt shakers with dye mixed with rice (uncooked) to keep it dry and flowing. It worked kinda...but the rice kept getting stuck in the holes of the shakers or coming out completely. My kitchen dye studio became littered with purple, yellow and fuchsia rice grains, which look like mouse poop.
Here's what I did . I presoaked my Superwash merino wool yarn in warmish water and a tablespoon of citric acid powder (think non-smelly vinegar) and arranged it on a opened trash bag and sprinkled dyes over it all.
Then I wrapped the yarn in the trash bag and placed the parcel in a plastic bin and popped it in the microwave for 5 minutes. Then repeated the task on the reverse side of the yarn. This is the result.
Meh. Not speckled exactly, more blobby.
Starting again, I mixed up some pastel solutions for the cotton candy colorway I keep drooling over.
When using warmed-up citric acid mixed water, the dyes take almost immediately, and the excess water runs off completely clear.

I have an order in for more yarn (vicious cycle) this time non-Superwash Capretta, a merino, cashmere and nylon blend. I will have to be careful with heat and movement so I don't felt the yarn. I believe I can do it.
For a more indepth tutorial see this post: Dyeing Wool Yarn in 30 Minutes or Less




































