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Alum (Aluminum Potassium Sulfate)

Alum (Aluminum Potassium Sulfate)

Regular price
$3.20
Sale price
$3.20
Shipping calculated at checkout.
Quantity must be 1 or more

Alum rock to mordant fibers and modify colors of ph sensitive dyestuffs. 

We ship worldwide from Mexico City, but the buyer is responsible for import/export rules to their country.
Due to the rapidly evolving COVID-19 pandemic, we only ship twice a week.