{"product_id":"mr-fireglass-fire-glass-10-lb-onyx-black-1-2-inch-reflective-tempered-fireplace-fire-pit-glass","title":"Mr. Fireglass Fire Glass 10 lb Onyx Black 1\/2-inch — Reflective Tempered Fireplace \u0026 Fire Pit Glass","description":"\u003cp\u003e\u003cstrong\u003eMr. Fireglass 10 Pounds Onyx Black 1\/2\" reflective tempered fire glass is decorative, heat-resistant glass media designed to replace lava rock or logs in gas fireplaces, fire pits, tables, and landscape accents.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis pack contains 10 pounds of 1\/2-inch, high-luster Onyx Black tempered fire glass with a mirrored backing that amplifies flame color and sparkle. The pieces are tempered for heat durability, engineered to resist fading and corrosion, and produce no ash, soot, or smoke when used with natural gas or propane. Beyond fire features, the reflective finish also serves as a polished decorative layer for planters, aquariums, and exterior hardscapes, quietly concealing gas fittings or bare ground.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this glass change the look of my fireplace or fire pit?\u003c\/h3\u003e\n\u003cp\u003eThe reflective backing on each piece catches and magnifies flames, creating richer color and shimmer compared with standard glass or lava rock. Onyx Black offers a modern, low-gloss black that reads elegant by day and metallic when lit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMirrored backing enhances flame brightness and color depth.\u003c\/li\u003e\n  \u003cli\u003eUniform 1\/2\" pieces give a consistent, jewel-like appearance.\u003c\/li\u003e\n  \u003cli\u003eDark Onyx tones modernize traditional brick or stone surrounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this fire glass safe and durable for high-heat use?\u003c\/h3\u003e\n\u003cp\u003eYes—Mr. Fireglass is tempered through a controlled process to increase strength and thermal resistance, minimizing shattering under typical gas-flame conditions. Because it emits no ash or smoke and resists fading and corrosion, it stays attractive with minimal upkeep.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTempered to withstand heat from propane and natural gas flames.\u003c\/li\u003e\n  \u003cli\u003eLow-maintenance: rinse with vinegar and water to clean.\u003c\/li\u003e\n  \u003cli\u003eDoes not produce soot or ash like unburned fuels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and maintain the 10-pound onyx glass in my setup?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: spread the fire glass evenly over the burner pan or cover existing lava rock to the recommended depth for your appliance. Routine maintenance is simple—remove debris and rinse; avoid harsh chemicals that could dull the reflective backing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDistribute evenly for consistent flame patterns and airflow.\u003c\/li\u003e\n  \u003cli\u003eUse recommended depth per your fire pit or fireplace manual.\u003c\/li\u003e\n  \u003cli\u003eClean with a vinegar-and-water rinse to restore shine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this glass outside and in decorative projects?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely—this glass is suitable for both indoor fireplaces and outdoor fire pits, and its decorative finish works well in planters, aquariums, and as ground cover for landscape accents. It hides piping and hardware while resisting weather-related wear when used outdoors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks for fireplaces, fire pits, fire tables, and landscape accents.\u003c\/li\u003e\n  \u003cli\u003eEffective decorative cover for planters, aquariums, and hardscape.\u003c\/li\u003e\n  \u003cli\u003eDesigned to endure outdoor exposure without rapid fading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Homeowners, designers, and DIY enthusiasts who want a modern, low-maintenance alternative to lava rocks or gas logs—people seeking a clean, reflective finish that enhances flames and hides unsightly equipment in both indoor and outdoor gas-fire applications.\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 this glass with propane or natural gas?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Mr. Fireglass is tempered for use with propane and natural gas fire pits and fireplaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I clean and maintain the fire glass?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Remove debris and rinse with a vinegar-and-water solution; avoid abrasive cleaners to protect the reflective backing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mr. Fireglass","offers":[{"title":"Default Title","offer_id":56832117834068,"sku":"B072143GQX","price":75.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/mr-fireglass-front-packaging-10lb-onyx-black.jpg?v=1787022972","url":"https:\/\/gardenluxe.co.uk\/products\/mr-fireglass-fire-glass-10-lb-onyx-black-1-2-inch-reflective-tempered-fireplace-fire-pit-glass","provider":"Gardenluxe Uk","version":"1.0","type":"link"}