calcium carbonate Archives - Botanical Colors

MORDANT MONDAY: Aluminum Acetate + Calcium Carbonate Before Dyeing?

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: I’m confused. Your directions for mordanting with aluminum acetate say to mordant, place fibers in dye pot, then . . . do the calcium carbonate bath then dye – what is the correct order? “Remove, rinse lightly and proceed to dyeing. Calcium carbonate can shift dye colors due to its higher pH, so we like to rinse it prior to use.” KATHY ANSWERED: You mordant with aluminum acetate, and when it is done, remove from the aluminum … Read more

You Asked, Kathy Answered: A Strange Result With Logwood

We get lots of emails from customers about challenges with dyeing and needing Botanical Colors’ President Kathy Hattori’s help. Why not share the learning so we can all benefit? From our inboxes to you, it’s simple: You Asked, Kathy Answered. Email questions@botanicalcolors with your plea for help! Thanks to Amy Tucker Studio for this week’s questions! YOU ASKED: I was instructing an eco printing workshop this weekend, and I was using logwood for the carrier blankets and I had a strange occurrence. I attached some photos to show what it looked like and what happened. I extracted the color from … Read more

FEEDBACK FRIDAY: This Week in Natural Dye Questions

This week: Why you can’t get a deep blue and color shifting madder to be more red

FEEDBACK FRIDAY: This Week in Natural Dye Questions

This week: Coaxing madder root to be more red and more mordanting questions…