The Colourants environment is designed to give you full control over the special database which lists colourant additions to base recipes.

In the Recipe to Formula and the Formula to Recipe environments this database is accessed by clicking the button. Colourants and colourant additions are list in the bottom of each recipe panel.

In the Colourants database you can store information about the colourant including:

• name
• entry date
• chemical formula
• the oxide entering the melt during firing
• the molecular weight (this is important if you want a colourant to be included in a unity formula calculation.
• cost per kilo
• abbreviation
• fired colour in reduction and oxidation