{"title":"Speedball Glazes","description":"\u003cp data-start=\"1585\" data-end=\"1933\" style=\"text-align: center;\"\u003eExplore our collection of Speedball glazes and underglazes, designed for potters and ceramic artists looking for vibrant colour, reliable performance, and creative flexibility. The Speedball glaze range is popular with beginners, educators, hobby potters, and professional makers thanks to its ease of application and consistent firing results.\u003c\/p\u003e\n\u003cp data-start=\"1935\" data-end=\"2337\" style=\"text-align: center;\"\u003eThe collection includes stoneware glazes, underglazes, and ceramic decorating colours, offering a wide variety of finishes suitable for both functional and decorative ceramics. From rich glossy surfaces and subtle satin finishes to bold underglaze colours and layered decorative effects, Speedball products allow makers to explore a broad range of ceramic styles and techniques.\u003c\/p\u003e\n\u003cp data-start=\"3174\" data-end=\"3310\" style=\"text-align: center;\"\u003eBrowse our full collection of Speedball glazes and underglazes to discover ceramic colours and finishes that bring your pottery to life.\u003c\/p\u003e","products":[{"product_id":"speedball-underglaze-amethyst","title":"Speedball Underglaze: Amethyst","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s purple amethyst underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817946104152,"sku":"E208A","price":9.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001034-001092-amethyst_1.jpg?v=1742306968"},{"product_id":"speedball-underglaze-aqua","title":"Speedball Underglaze: Aqua","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s Aqua underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817946300760,"sku":"E196A","price":6.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001010-001060-aqua_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-avocado","title":"Speedball Underglaze: Avocado","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s avocado green underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817946497368,"sku":"E206B","price":7.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001031-001089-avocado_1.jpg?v=1742306887"},{"product_id":"speedball-underglaze-black","title":"Speedball Underglaze: Black","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s black underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"57ml (2oz)","offer_id":47817946825048,"sku":"E199A","price":8.12,"currency_code":"GBP","in_stock":false},{"title":"473ml (16oz)","offer_id":47817946857816,"sku":"F087","price":27.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001016-001066-black_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-blue-frost","title":"Speedball Underglaze: Blue Frost","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s blue frost underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817947119960,"sku":"E207B","price":6.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/0010333-001091-blue-frost_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-brown","title":"Speedball Underglaze: Brown","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s brown underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817947349336,"sku":"E198B","price":6.71,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001015-001065-brown_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-burgundy","title":"Speedball Underglaze: Burgundy","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s burgundy underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817947513176,"sku":"E201B","price":10.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001021-001071-burgundy_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-carmine","title":"Speedball Underglaze: Carmine","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s carmine red underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817947775320,"sku":"E203B","price":9.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001025-001075-carmine_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-chartreuse","title":"Speedball Underglaze: Chartreuse","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s chartreuse green underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817948299608,"sku":"E196B","price":6.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001011-001061-chartreuse_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-cream","title":"Speedball Underglaze: Cream","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s cream underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817948528984,"sku":"E191B","price":6.71,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/speedball_-_cream_1_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-flame-red","title":"Speedball Underglaze: Flame Red","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s flame red underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817948954968,"sku":"E204A","price":9.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001026-001076-flame-red_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-grey","title":"Speedball Underglaze: Grey","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s grey underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817949118808,"sku":"E199B","price":6.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001017-001067-grey_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-leaf-green","title":"Speedball Underglaze: Leaf Green","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s leaf green underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817949315416,"sku":"E206A","price":7.42,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001030-001088-leaf-green_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-mandarin-orange","title":"Speedball Underglaze: Mandarin Orange","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s mandarin orange underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817949872472,"sku":"E204B","price":9.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001027-001077-mandarin-orange_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-medium-blue","title":"Speedball Underglaze: Medium Blue","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s medium blue underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817950101848,"sku":"E194B","price":6.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001007-001057-medium-blue_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-medium-green","title":"Speedball Underglaze: Medium Green","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s medium green underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817950265688,"sku":"E197A","price":7.42,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/speedball_-_medium-green_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-melon","title":"Speedball Underglaze: Melon","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s melon orange underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817950363992,"sku":"E193A","price":8.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001004-001054-melon_1.jpg?v=1742306886"},{"product_id":"speedball-underglaze-orange","title":"Speedball Underglaze: Orange","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s orange underglaze is unmatched in vibrancy and value. These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817950691672,"sku":"E200B","price":9.36,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001019-001069-orange_1.jpg?v=1742306885"},{"product_id":"speedball-underglaze-peach","title":"Speedball Underglaze: Peach","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s peach, orange, and amethyst underglaze are unmatched in vibrancy and value. 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These underglazes hold their true colour throughout the firing process.\u003c\/span\u003e\u003c\/p\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":47817953411416,"sku":"E193B","price":7.42,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/1567\/9064\/files\/001024-001074-soft-pink_1_1.jpg?v=1742306888"},{"product_id":"speedball-underglaze-purple","title":"Speedball Underglaze: Purple","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eSpeedball’s purple underglaze is unmatched in vibrancy and value. 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