{"product_id":"speedball-mid-fire-glaze-for-pottery-blue-moss-16-oz-cone-5-6-oxidation-lead-free-dinnerware-safe","title":"Speedball Mid-Fire Glaze for Pottery – Blue Moss 473 ml, Cone 5\/6 Oxidation, Lead-Free Dinnerware Safe","description":"\u003cp\u003e\u003cstrong\u003eSpeedball Mid-Fire Glaze in Blue Moss is a cone 5\/6 oxidation ceramic glaze that yields mottled, reduction-like surface effects and is certified dinnerware safe.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned with input from ceramic artist Nancy Sowder, this 16-ounce jar from Speedball delivers a versatile mid-fire glaze formulated for oxidation firings at Cone 5\/6. Blue Moss produces layered, variegated colour and subtle depth when applied alone or combined with other glazes in the 30-colour Speedball Mid-Fire line. Every shade in the collection is lead-free and tested for dinnerware safety, letting potters and hobbyists create functional pieces with decorative interest.\u003c\/p\u003e\n\n\u003ch3\u003eWhat visual effects can I expect from Blue Moss at Cone 5\/6?\u003c\/h3\u003e\n\n\u003cp\u003eBlue Moss is engineered to produce mottling and the look of reduction without needing a true reduction atmosphere. The surface can display pooled darker areas, lighter edges, and semi-transparent patches that reveal texture beneath, especially over textured or carved clay bodies.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMottled, variegated finish with depth and colour range.\u003c\/li\u003e\n  \u003cli\u003ePooled highlights in recessed areas for natural shading.\u003c\/li\u003e\n  \u003cli\u003eSemi-transparent qualities that show clay texture and underglaze work.\u003c\/li\u003e\n  \u003cli\u003eConsistent results in oxidation firings at Cone 5\/6.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply and layer Blue Moss for the best results?\u003c\/h3\u003e\n\n\u003cp\u003eBlue Moss works well brushed, dipped, or sprayed and responds nicely when layered with other mid-fire glazes to increase visual complexity. Thin first coats and build in subsequent layers to control flow and pooling; test combinations on sample tiles to predict interactions and final colour shifts.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBrush, dip, or spray application—adjust viscosity for each method.\u003c\/li\u003e\n  \u003cli\u003eApply multiple thin coats rather than a single heavy coat to avoid running.\u003c\/li\u003e\n  \u003cli\u003eLayer with complementary Speedball glazes to create unique variegation.\u003c\/li\u003e\n  \u003cli\u003eFire at Cone 5\/6 oxidation for intended effects and safety certification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this glaze safe for functional ware and what certifications matter?\u003c\/h3\u003e\n\n\u003cp\u003eSpeedball Mid-Fire Glazes, including Blue Moss, are formulated lead-free and tested to meet dinnerware safety standards, suitable for functional ceramics like plates and bowls when fired correctly. Always follow the manufacturer's firing schedule and cooling recommendations, and consult the product colour chart for AP\/CL certification details if you need specific compliance information.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLead-free formulation appropriate for functional pieces when fired properly.\u003c\/li\u003e\n  \u003cli\u003eAP\/CL testing referenced on Speedball’s colour chart for certification details.\u003c\/li\u003e\n  \u003cli\u003eRequires correct Cone 5\/6 oxidation firing to achieve safety and appearance.\u003c\/li\u003e\n  \u003cli\u003eSuitable for dinnerware, mugs, and serving pieces after proper firing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow beginner-friendly is Blue Moss for potters learning glazing?\u003c\/h3\u003e\n\n\u003cp\u003eThis glaze line is approachable for newcomers while still offering advanced artists room for experimentation. Its forgiving behavior in oxidation firings and clear visual responses to layering make it an excellent teaching glaze for learning how glaze thickness, application technique, and firing interact.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUser-friendly for students and hobbyists learning glaze application.\u003c\/li\u003e\n  \u003cli\u003ePredictable in oxidation firings—good for classroom or studio use.\u003c\/li\u003e\n  \u003cli\u003eEncourages experimentation with layering and glaze combinations.\u003c\/li\u003e\n  \u003cli\u003eComes in a 16-ounce jar ideal for small projects and tests.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Speedball Mid-Fire Glaze in Blue Moss is intended for ceramic artists, pottery students, hobbyists, and studio professionals who fire at Cone 5\/6 and want a dependable, lead-free glaze that produces reduction-like, mottled surfaces. It's suitable for makers focused on decorative texture, functional dinnerware, or layered glaze experimentation and pairs well with other Speedball Mid-Fire colours for customised finishes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Blue Moss on functional dinnerware?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—Blue Moss is lead-free and tested for dinnerware safety when fired correctly at Cone 5\/6; follow Speedball’s firing recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What firing temperature is best for this glaze?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fire Speedball Mid-Fire Glaze Blue Moss in oxidation at Cone 5\/6 for intended effects and safety certification.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":55256481202513,"sku":"B0CT41S8CV","price":36.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/speedball-blue-moss-front-jar.jpg?v=1791714410","url":"https:\/\/craftiche.co.uk\/products\/speedball-mid-fire-glaze-for-pottery-blue-moss-16-oz-cone-5-6-oxidation-lead-free-dinnerware-safe","provider":"Craftiche","version":"1.0","type":"link"}