Aluminum Sulfate



If you are looking for a less expensive alternative for mordanting, consider aluminum sulfate. This mordant contains the same active ingredient (alum) with a different refining process as aluminum potassium sulfate. It has more irregular-shaped granules (called kibble) that produce near identical results. It is a wonderful mordanting material for protein fibers such as silk and wool. For detailed instructions, please see our how to page.

We love that these dye baths may be used either hot or cold, and may also be re-used with the addition of more alum. This allows the dyer to use less energy and conserve more water. Check out our blog post entitled Using Less to Get More for more information about reusing alum baths.

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