For harmonizing colors, choose from either the light or the the bright or the dark category, but do not intermix.
Concepts are nontoxic and food safe with an application of three solid coats. Concepts are also food safe when a food safe clear glaze is applied.
Duncan now has CN2000D, a clear, dipping glaze designed specifically for covering Concepts.  Zinc-Free.
Wondering how the Duncan Glazes do at mid-fire temperatures?