Before you comment that I should be using tannins if I want the colors to last in the sun, please check out my newest video:
Mordanting Cotton With vs Without Tannin - [ Ссылка ]

In this video I use 6 mordanting methods on cotton fabric and then dye the fabric pieces with 4 natural dyes. You will see the mordanting process and the results. I also performed a light/wash fastness test on the dyed fabrics to see how the colors last.

Blog post with photos of the results and descriptions of all mordanting methods: [ Ссылка ]

Mordant ingredients I used:
Aluminum Acetate - [ Ссылка ]
Aluminum Lactate - [ Ссылка ]
Alum (Potassium Aluminum Sulfate) - [ Ссылка ]
Sodium Acetate - [ Ссылка ]
Soda Ash - [ Ссылка ]
Calcium Carbonate (chalk) - [ Ссылка ]
Soy milk & vinegar - grocery store

Synthrapol detergent - [ Ссылка ]

The dyes I used:
Madder root - [ Ссылка ]
Osage Orange - [ Ссылка ]
Avocado skins - eat some avocados
Logwood -[ Ссылка ]

00:00 - What this is about
01:45 - Soy milk mordant method
04:03 - All the other mordant methods
10:44 - Dyeing the fabrics
12:56 - Light/wash fastness test
14:01 - Soy milk debacle
15:07 - Madder root results
19:22 - Osage Orange results
21:46 - Avocado skins results
24:14 - Logwood results
26:31 - My closing thoughts

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