Dyeing Wool Yarn with Cochineal Extract; Shifting the Hue w/ Iron & Cream of Tartar (Dyepot PS #75)

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ITEMS USED IN THIS VIDEO (or frequently used in my videos):
(All Links labeled with a "*" are affiliate links, which means I earn a commission sales made through these links.)
Earthues Botanical Dye Kit - http://shrsl.com/4meij *
KnitPicks Wool of the Andes Superwash (100% Superwash Peruvian Highland wool) - http://shrsl.com/4mein *
Electric Kettle - https://amzn.to/3LH4Dw6 *
Catering Steam Pan: https://amzn.to/2tGWYph *
Digital Kitchen Scale - https://amzn.to/2XJgleB *
Plastic Syringes for Measuring dye - https://amzn.to/3fCX4nP *
Digital Kitchen Scale - https://amzn.to/2XJgleB *
Purple Nitrile Gloves - https://amzn.to/2I6pRpl *
Reusable Zip Ties - https://amzn.to/3fXa75K* or https://amzn.to/3bPdOag * NOTE: Amazon sometimes changes the zip tie listing to be non-reusable or removes the option I purchased. I use 12" white nylon reusable zip ties. Please check both the links and if it doesn't say reusable don't purchase!
Deluxe Rubber Respirator - https://www.dharmatrading.com/tools/d...
Safety Glasses - https://amzn.to/2ObzRl9 *
Dharma Acid Dyes - https://www.dharmatrading.com/dyes/dh...
Dharma Squeeze Bottles - https://www.dharmatrading.com/tools/s...
My favorite tools and equipment for dyeing yarn - https://www.chemknits.com/2019/07/the...
Face Masks for Dyeing Yarn - http://www.chemknits.com/2020/07/resp...
FILMING EQUIPMENT
DSLR Canon EOS80D - https://amzn.to/2PXWbMa *
Webcam - Logitech C930e 1080P HD Video Webcam https://amzn.to/315Mge0 * (there is likely an upgraded version of this)
Tripod (60") - https://amzn.to/3iUfBy5 *


VIDEO CONTENTS:
[0:00] Introduction
[1:26] Yarn Prep
Soak the yarn in hot water with some dish soap for 30 minutes
[2:45] Mordanting the yarn
20 g Potassium Aluminum Sulfate per 100 g of yarn
Just ALum mordant
400 g yarn - 80 g alum
12 qt pot with 16 cups hot tap water
With cream of tartar:
100 g yarn - 20 g alum, 6 grams cream of tartar
8 qt pot with 6 cups hot tap water in it
Dissolved powders into boiling water before transferring them to pots

Bring to just below a boil over 45 min, keep at that temp for ~ 1 hour. Turn off the heat and cool 30 minutes or overnight
[6:10] Cochineal Extract
[7:32] Measure out the cochineal extract
measure out 1 gram 3 times (1 g per 100 g yarn)
[9:36] Dyeing with cochineal (Alum vs Alum + cream or tartar mordants)
Just Alum Mordant - 8 cups of water + 1 g cochineal + 100 g yarn
[15:18] What might I expect to see?
[16:43] Heating the yarn
turn off heat and cool in pot for 30 minutes
[19:09] Removing the yarn
[21:20] Dyeing yarn with Cochineal + Iron
2 g iron dissolved in hot water. similar conditions to above. (yarn in just alum mordant
[24:47] pH test
[26:12] Back to the iron yarn
[29:12] The yarn all together
[30:00] Washing the yarn
[33:14] The finished dry yarn and conclusions

Dyepot Weekly Playlist:    • Dyepot Weekly  
Leave No Dye Behind Playlist:    • Leave No Dye Behind - Dyeing with Lef...  
Frequently Asked Questions Playlist:    • What You Can't Dye with Food Coloring  

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The above links are affiliate links, which means I earn a commission on sale of items purchased through these links. All items used in this video were purchased and selected by me unless otherwise stated. All thoughts and opinions are my own.