MORDANT MONDAY: Aluminum Sulfate For Cellulose?

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 realized I purchased aluminum sulfate instead of potassium aluminum sulfate. I am mostly looking to dye cellulose fabric yardage. Will aluminum sulfate work as a mordant for cellulose fibers? KATHY ANSWERED: Yes, it will work: aluminum sulfate and aluminum potassium sulfate are largely interchangeable. It used to be that aluminum sulfate could contain traces of iron, which would shift colors, but most modern day aluminum sulfate is pretty “clean” – at least I haven’t had an … Read more

MORDANT MONDAY: Hair Dyeing, Dog Toys & Sticky Angora

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] (Image: The Dogwood Dyer) YOU ASKED: Hi there! I’m interested in your products, particularly the cochineal, and I’m wondering if I can use it for dyeing my hair. If so, do the same instructions work that are listed here? I’ve seen The Dogwood Dyer’s instructions here and it sounds like she’s putting the alum directly in the dye. I’d like to achieve a pink color like what she did. I’d so appreciate if you could help me understand exactly how … Read more

MORDANT MONDAY: If It’s Tannin Rich Do You Need Mordant?

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’ve read that natural dye materials with a high tannin level don’t need a mordant to dye wool. I have a rain barrel that collects run-off from the roof. The roof is under a huge maple tree, which over the course of the seasons, drops flower clusters, seeds, leaves and sticks onto the roof. This turns the runoff water in the rain barrel a brownish color. I believe this is due to the tannin in these items? … Read more

MORDANT MONDAY: Let’s Talk Aluminum

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 used acorn extract as a tannin treatment on cotton, rinsed it like crazy, and put it in my aluminum triformate bath. Now the aluminum triformate bath has changed color. Should I toss it? I was hoping it would last awhile more and I could put it to use. KATHY ANSWERED: If you are using the bucket method for aluminum triformate mordanting, I would keep the bath. It’s probably still just fine and there’s a lot of … Read more

MORDANT MONDAY: Silk, Cashmere + Heat

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 have several cashmere sweaters that are the most boring colors ever and I’d love to try over-dyeing. I have Orvis paste to scour with but wanted to check that the 180 degree hold for 30 minutes would also work for cashmere – I see sheep and goats on the website answer about scouring so I am assuming yes, but there is this little question in the back of my head – email to the experts it … Read more

pale pink fabrics

RECIPE: A Coral Natural Dye Recipe To Sing You Into Spring

This is a Botanical Colors coral natural dye recipe for a classic, madder color in a soft salmon hue guaranteed to sing you into spring. Dyer’s notes: You can use the same coral natural dye recipe for animal or plant fibers. We recommend mordanting to achieve the best results. Your mordant options are aluminum potassium sulfate (for animal fibers), or aluminum acetate or symplocos (for plant fibers). Symplocos is an alum bioaccumulator from dried leaves and we’ve used it successfully on both animal and plant fibers. In its native Indonesia, it’s used mostly on plant fibers. Step 1 – Weigh … Read more