Natural Dye Logwood Color Changes - colours from plants

This video is about Natural Dye Logwood Color Changes. Reaction with vinegar, baking soda, pickling alum, and iron sulfate tablets. Logwood is a natural dye for wool, when applied using an alum pre-mordant. In other words, the wool is first treated with alum, then treated with the dye extracted from logwood with hot water.