Smugs from Amaco Set #112 includes the Red, Bright Yellow, Chartreuse, Warm Green, Aqua, Medium Blue, White, and Black colors of the Semi-Moist Underglazes.  SMUG's are formulated to react similarly to brushing with watercolors - they become more opaque with thicker application and more transparent after water is added. They can be mixed and diluted to achieve a variety of effects. 

At stoneware temperatures, texture and slight color changes may occur. Test firing is recommended.

Fired at cone 04-10 (1000°C-1260°C).

Must be used with the correct glaze to be food safe. Recommended clear glaze for earthenware: LG-10 and for stoneware: C-11, HF-9, SW-004 or MS-100