These are factory blends quartz, select pebble aggregates and SGM proprietary polymer-modified Portland cement. This unique blend is ideal for new or existing submerged surfaces in gunite, shotcrete and concrete pools, spas and water features. The further addition of ceramic coated aggregate and/or glass beads offers a variety of colors and textures. Various hues and aggregate sizes are available to fit any design requirement. Diamond Brilliance finishes are factory blended to provide the pool owner with an extremely durable and attractive alternative to traditional white pool coatings.