
There are many uses for both reversible and non-reversible mediums in decorative painting.
ABOUT
REVERSIBLE MEDIUMS
A reversible medium can be taken back to a glaze with water (or alcohol like shellac).
- Gouache Glaze = Gum Arabic + H2O + Pigment (a watercolor effect)
- Beer Glaze = Dark Beer (Binder+H2O) + Pigment
- Shellac

NON-REVERSIBLE MEDIUMS
Non-reversible mediums are far more common and are permanent (unless a solvent is used to remove).
- Fast-dry acrylic glaze =1/2 Fast-dry Matte Medium +1/2 Water + Fast Drying Fluid Acrylic Color
- Medium slow-dry acrylic glaze = 80% Artist Grade Glaze + 20% H2O + Fluid Acrylic Color
- Slow-dry acrylic glaze = Slow-dry Glaze + Slow-dry Fluid Acrylic Colors
- Oil glaze= [3 parts Distilled Turpentine +1 part Refined Linseed Oil + Japan Drier (5%)— more info] +Artist Oil Color in tubes — to adjust the open time, use less linseed oil for a faster dry time.
- Paint and varnishes (non-shellac based)

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