scouring Archives - Botanical Colors

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: Post-Mordant Scouring?

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: Can you store and then reuse symplocos mordant, the way you can alum mordants? If it can be stored, do you need refrigerate it or add cloves to keep it from going off, as you must with plant based dyes? KATHY ANSWERED: Symplocos baths may be reused several times but it does contain plant matter and will probably start to ferment if left for long periods of time, like over 2 weeks in a warm environment. You … Read more

MORDANT MONDAY: Tips On Temps For Mordanting Fibers

We get mordant questions all the time at Botanical Colors so why not create Mordant Monday??? Got mordanting questions? Email [email protected] YOU ASKED: Does your wool gauze need to be scoured before I mordant it? KATHY ANSWERED: I do not scour the wool gauze as it’s so sheer and fine and it seems pretty clean. It takes the dyes exceptionally well with a mordant only. YOU ASKED: Which type of mordanting do you think ensures color fastness? KATHY ANSWERED: Color fastness is a function of the dyestuff and the mordant, not the mordant alone. If you dye a mordanted fabric … Read more

Q & A: Round Up of Scouring + Mordanting 101

Mordanting and scouring should be at the top of your things-to-do list before natural dyeing. Botanical Colors Founder Kathy Hattori recently took on as many questions as was humanly possible to clarify the processes. Before reading, also please see our How-To Scour and How-To Mordant pages. Scouring Questions If I use untreated and unbleached fabric, is it a must to scour the fabric or is washing it enough? If you mean by “untreated” that it has never been scoured, then you should scour. If untreated and unbleached means it is also prepared for dyeing (PFD or RFD), then you can … Read more

FEEDBACK FRIDAY: This Week in Natural Dye Questions

This week: Quebracho rojo gets the spotlight and microwaving wool?

Botanical Colors Natural Dye Glossary

There are so many terms and techniques in the natural dye space that we decided to create a natural dye glossary for you! Unless you work in a natural dye house full-time or have been doing dyeing since time immemorial, you’re not apt to know everything. We created this glossary of terms so that you can look like a plant dye master and a natural dyeing pro. Well, at least you’ll sound like it. Check out the terms below and shoot us an email if you think we left something out and need to add it! Natural Dye Glossary Alkaline: … Read more