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Light colored and textured glaze that is not very fluid. Accepts reduction and develops patterns of grey and sometimes black. Medium application suggested.
The following Laguna Dry Glazes were formulated for Raku. Results will vary greatly depending on firing conditions, clay body, thickness of glaze, fuel, etc.
All glazes are lead free. We now stock all the Raku Glazes.
Mixing instructions from Laguna; Establishing the correct water to dry material ratio in Raku glazes can be challenging, but by utilizing a process called slaking, the challenge can be met. Slaking simply means mixing the glaze's dry materials in a bucket with enough water to allow all the dry particles to achieve maximum absorption.
Follow these steps:Slake your Raku glaze approximately 24 hours, long enough that the glaze settles to the bottom of the bucket and the "unabsorbed water" is clear, not cloudy. At this point, remove most of the clear water leaving 1/4" to 1/2" on top of the glaze. Mix thoroughly and allow glaze to sit for another 24 hours. After the second 24 hour settling period, mix the glaze thoroughly to a consistency a little thicker than your final use consistency. To achieve this desired consistency, you may need to add a small amount of water but always stir the mix thoroughly prior to adding any water. Strain the mix through a 30 to 40 mesh sieve into another bucket, then strain again back into the original bucket. You should be able to feel the glaze thin out as you mix it because of the thixotropic characteristics of the Gerstley Borate included in most Raku glazes. Thixtropy is "the property exhibited by certain gels of becoming liquid when stirred or shaken". This makes it important to always stir Raku glazes thoroughly before considering thinning with water.
It is not unusual for a Raku glaze to become slightly lumpy even after being strained and mixed. Some ceramicists prefer that their Raku glazes be thicker than other types of glazes. We recommend running several tests to determine your individual consistency preference.