Iron

color changer

$0.65

Citric Acid

dissolver for Lac,
color changer

$0.70

Cream of Tartar

softener, color enhancer (protein)

$1.40

Aluminum Sulfate

mordant for protein fibers

$0.80

Aluminum Acetate

mordant for cellulose fibers

$2.20

Scour

pretreat for cellulose fibers

$1.70

Soda Ash

indigo agent (alkaline, not lye)

$0.75

Thiourea Dioxide

indigo agent (reducer)

$2.30

Hide Glue

indigo agent (protects wool)

$2.10

Gum Tragacanth

thickening agent for painting

$4.40

Silkzorb

degumming agent for silk

$3.00