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Amaco Semi-Moist Underglaze Pans

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Amaco's semi-moist underglaze pans allow for effects very similar to watercolors done on paper.

Amaco's semi-moist underglaze pans allow for effects very similar to watercolors done on paper.

Photo © 2009 Beth E Peterson

The Bottom Line

If you like painting on your clay, these underglazes are for you. They handle much like watercolors, and are formulated to be very close to their fired color so you have a very good idea how the finished painting or decoration will end up.


  • Wonderful watercolor-like effects.
  • Good range of intensity -- can get nice darks.
  • Colors mix and blend very well.
  • Formulated to give you What-you-see-is-is-what-you-get.


  • May lose thin applications and washes of underglaze into the glaze.
  • Do not absorb into bisqueware the way watercolors do in paper. (Can also be an advantage.)


  • Lead-free, concentrated semi-moist underglazes in a convenient pan form. Most colors good through cone six.
  • Recommended use with Amaco transparent glazes: F-10, LG-10, HF-10 or HF-9. Other glazes may effect results.
  • Comes in four different sets with eight colors each. Many suppliers also offer replacement pans.
  • Set 108: Maroon, Light Yellow, Dark Blue, Blue-Green, Dark Green, Black, Light Brown, White
  • Set 109: Turquoise, Lilac, Med. Blue, Pink, Warm Gray, Mahogany Brown, Bright Yellow, Irish Green
  • Set 110: Purple, Light Blue, Aqua, Rose, Orange, Peach, Chartreuse, Sun Tan
  • Set 111: Electric Blue, Amethyst, Violet, Red, Light Red, Salmon, Real Orange, Hunter Green

Guide Review - Amaco Semi-Moist Underglaze Pans

I love these watercolor-style underglazes. They are extremely easy to use and allow us to see what we are getting (or a very close approximation) before firing. The colors blend well, both in the raw form and once fired. I found no unexpected color changes due to chemical interactions.

This underglaze format allows for better design of painted elements of the piece, both in terms of hue and light-dark contrast. Saturation of color is still problematic, but usually only when the painted underglaze is applied thinly. At that point, the glaze may disperse the colorant too much.

Use a brush and distilled water to apply underglazes. Washes handle very much like traditional watercolors. Due to non-absorbency into the bisqueware, colors can be lifted by a damp brush. This may be startling at first, but also allows for pushing the underglaze around on the surface to create highlights and strong edges of the painted elements.

My one disappointment was in Amaco's semi-moist underglazes was that light washes disappeared during firing. That can be planned for, however. Overall, I really like these underglazes and will continue to use them.

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