Ambient Glow Technology (AGT) introduces a new line of high performance photoluminescent aggregates specifically designed for the concrete, epoxy and cementitious overlay trade. The aggregates contain no hazardous materials or VOCs and can be used on both interior and exterior concrete. The AGT aggregate is available in two grades of sand as well as 8 and 12 mm sized stone in Aqua Blue and Green Glow. The aggregate is available in 1-, 5- and 25-lb. quantities.