Lg-10 lead-free glaze — this clear, transparent glaze is used for application on decorated greenware or bisque. lg-10 will not discolor the underglaze or cause colors to bleed. cone 05. f-10 lead-free glaze — this clear, transparent liquid covering glaze will not discolor the underglaze or cause colors to bleed. Amaco potter's choice cone 6 glazes always on sale at the ceramic shop. get the beautiful look of a reduction cone 10 fired glaze with the convenience of an electric kiln. Nothing is more important for sealing the aesthetic of your creation than good glaze. artists without the time or skill set to make their own can purchase high quality products at a fair price. choose low fire, mid fire or high fire finishes, or special blends to give your pottery a unique look. we carry products from top manufacturers, such as amaco, coyote, duncan, laguna, liquitex, mason ... They can be layered by brushing or slip trailing on top of each other without bleeding, distortion, or glaze interaction, these glazes fire true to color from the bottles- great for classrooms! class packs and sets our most popular low fire glazes in convenient sets for studio or classroom.