Aqua Tempered Fire Glass Aqua-Tempered Fire Glass Fire glass, is the colorful heat-treated glass material seen in gas fire bowls and pits, since it has been heat-treated it is for safe use in high heat circumstances. Flames dance and flicker on luminous jewel-like fire glass, turning your fireplace or fire pit into a unique piece of art. Fireplace Glass and Fire Pit Glass are formulated for long-term heat consumption. These materials will not melt or degrade and will last a lifetime.
