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Sunflower Woodworx

Black Walnut Dye — Recipe & Guide

Black Walnut Dye — Recipe & Guide

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Free Recipe · Instant Download

Free color, straight off the ground. No dye shop required — just a tree, a pot, and a little patience.

Black walnut husks are loaded with tannins — the same stuff that gives strong tea its color and bite. Simmer them down and you get a rich brown-to-black dye that's been used on wood and fabric for generations. We wrote down everything we've learned running our own batches, including the mistake that taught us greener husks beat brown ones every time.

What's inside

1 Zero-cost color
Walnut husks, water, and a pot. That's the entire shopping list to get started.
2 Field-tested ratios
Real batch numbers, not lab-scale guesses — including our own 100-husk, 3-gallon batch for reference.
3 Dye and sealer, one batch
Turn the same dye into a tinted sealer when a project wants more than just color.
4 Safety, actually explained
The dedicated-pot rule, ventilation, and the juglone details most recipes skip entirely.
5 Shelf-stable
pH stabilization and storage notes so a good batch doesn't go to waste.

What's in the download

3 pages. Full extraction walkthrough, pH stabilization, a dye-to-sealer conversion, and shop notes pulled from our own batches — down to how many husks it takes to fill a jar.

Totally free — the walnuts already did the hard part. 🌿

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