Gum Arabic - Main binder medium forwatercolors and gouache. May be used to create paints, or mixed with watercolors to increase gloss and transparency.
Masking Fluid - Removable liquid frisket used to temporarily cover areas of paper and block paint. Pre-testing fluid on certain papers is recommended.
Shellac Soap - Mix with watercolors to increase their water-resistance once dry.
Wetting Agent (Ox Gall) - Liquid preparation medium for wetting paintingsurfaces; aids color flow.
Synthetic Ox Gall - Medium for wetting painting surfaces; aids color flow.