![50ml PSH cobalt blue underglaze](http://euclids.com/cdn/shop/products/UCTB0_9c4d51cd-723e-45ea-a405-f5e43a28f972_{width}x.jpg?v=1615564925)
PSH Underglazes are intense, intermixable, colours formulated for use from cone 06 to cone 10 oxidation. They are available in 50 mL, 250 mL and 500 mL sizes; select size from drop down/fly-out menu. This underglaze can be used with a fine line applicator. Thick applications of this color may cause crawling at Cone 6+.