![WEDGEWOOD BLUE STAIN 6310](http://euclids.com/cdn/shop/products/SWDB1_f3fd142b-7123-4398-83dc-36752127e70e_{width}x.jpg?v=1619033511)
Mason Stain 6310. Produces strong cobalt/royal blues in most glazes up to 2300 F. Blend with a zircon opacifier (Ultrox or Zircopax) to lighten with ZrV blue stain for warmer hues with CrSn crimsons/pinks (up to cone 6) for purples and mauves or with CrCo greens for blue-greens. May be used as a body stain. Composition - CoAlZSi