Glauber's salt (Sodium Sulfate) serves as a levelling agent by dispersing the dye evenly throughout the fiber. Also gives intensity to colors containing Turquoise and helps with washfastness.

Glaubers Salt

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$1.80 USD
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$2.00 USD
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$2.35 USD
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$2.85 USD
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$5.10 USD $4.15 USD