Mix our glazes at a 1:1 ratio with water by weight. Designed for dipping, pouring, or spraying. If spraying, thin glaze as needed. All our glazes are batch tested and sold in dry form. White tile is Standard 213, red tile is Highwater Clay's Earthen Red both fired to Orton Guide Cone 6 in a digital electric kiln. We recommend fast glaze firing to Cone 5 with a 12F offset and a 2 to 5 minute hold. If using a kiln sitter, use small orton Cone 6 cones. We do not use Barium, Lead, or Cadmium in the production of any of our glazes. Always, always, always test new glazes in your studio before putting them into large scale production!