Botz 9420 Grey Feather
Brush on glaze for earthenware, available in 200ml jars. Apply 2 to 3 coats and fire at 1050°C with a 10 to 20 minute soak. A blue-grey glaze, especially effective on inclined pieces
If the glaze has thickened up in the jar you can add water and stir well.
Glossy, suitable for raku, can be fired up to 1100°C.