Cone 6 Websites:

  • sigstadceramics.com

    hot! sigstad ceramics

    Sigstad ceramics: Soda glazed and reduction fired cone 6 porcelain and stoneware

  • spectrumglazes.com

    Spectrum Glazes - Global Distributors of the finest glaze products in the world.

    Spectrum Glazes - World-class kiln fired finishes for all types of ceramic products