NPT StoneScapes® Puerto Rico Blend Small .5 AQUA COOL MINI .5 KIT Aqua Cool Pebble Pool Finish .5 Parent Kit. StoneScapes Puerto Rico Blend Small Aqua Cool creates light blue water color and is comprised of modified white Portland cement and features natural white quartz pebble aggregates and Cobalt Blue colored quartz highlights and a specialty blend of small glass bead aggregates. The Puerto Rico Glass Bead Blend enhances the water color in every pool finish by bringing other dimensions of color and reflectivity that only colored glass bead can do. The beauty of this finish comes from the shade and color variations inherent in natural materials.