Fire Pit Glass, Cobalt Blue Reflective Crushed 20 lb

Fire pit glass delivers a clean, sparkling flame display while covering burner hardware for a more finished look. This 20 lb (9 kg) bag of cobalt blue reflective crushed tempered glass (1/2 in / 12.7 mm) is made for high-heat gas fire pits, fireplaces, and fire pit tables, adding bright color in daylight and shimmering highlights at night. Designed to resist heat without producing smoke, odor, or ash.

• Delivers reflective cobalt blue sparkle that enhances flame movement and boosts visual depth


• Resists high heat up to 1112°F / 600°C for consistent color and performance in gas fire features


• Helps hide gas pipes and burner elements for a cleaner, more built-in fire pit presentation


• Cleans easily by rinsing with a 1:1 water + vinegar mix to restore clarity and shine


• Works in fire pits, fireplaces, fire pit tables, landscaping accents, and aquarium-style décor

For an even, professional-looking bed, fill to a recommended depth of 2–4 inches and ensure the glass is fully dry before use. The tempered, reflective crushed glass shape adds texture while supporting a modern, smokeless flame effect that elevates patios and outdoor living spaces with minimal upkeep. If you’re refreshing an existing setup or finishing a new build, grab yours today and complete your fire feature with a bold cobalt blue glow.

• Material: Tempered fireproof glass (quartz sand base)


• Color: Cobalt Blue (single color)


• Form: Reflective crushed glass


• Piece size: 1/2 in / 12.7 mm


• Net weight: 20 lb / 9.0 kg


• Temperature resistance: Up to 1112°F / 600°C