SPECTRUM | 524 Mustard Underglaze Size:4oz The Heavy Black Mudwire is

The Heavy Black Mudwire is the larger

Prone to pinholes when fired on manganese clay bodies

California workshop using both domestic and imported materials

This tool helps streamline your process

The Spectrum 515 Black Underglaze is part of 500 Series underglazes are highly pigmented

SPECTRUM | 524 Mustard Underglaze Size:4oz The Heavy Black Mudwire isThe Spectrum 524 Mustard Underglaze is part of 500 Series underglazes are highly pigmented, intermixable ceramic colors ideal for brush on underglaze decoration. Perfect for pottery and ceramic artists, these versatile underglazes can be blended to create custom shades and personalized color palettes.