Alum (Aluminum Sulfate)

$ 5.00

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Size: 424g (1. lb)

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Enrich the vibrancy of our plant-based dyes with alum. Aluminum Sulfate is often used as a pre-mordant in natural dyeing to brighten colors and increase light and wash fastness. Safe and nontoxic, it can be used to mordant all protein and cellulose-based fibers.