TSUKINEKO-Walnut Ink Crystals. Just like walnut ink but in dry crystal form so you choose the shade you want by how much water you mix in. Mix 1 teaspoon of crystals with 1/2 cup of hot water for standard 2.5% solution or add more or less water for the shade you want. This package contains 2 ounces of Walnut Ink crystals. Archival and acid free. Conforms to ASTM D4236. Imported.
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