NPT QuartzScapes® Regular Series QUARTZSCAPES TROPICAL BLUE Tropical Blue Pool Finish Parent Kit - Finish your pool with distinction! QuartzScapes Regular Series Tropical Blue pool finish creates light blue water color and is comprised of white Portland cement, natural quartz aggregate and Cobalt Blue T-Grade colored quartz highlights. Because natural quartz is ten times harder and more durable than marble, QuartzScapes is perfect for both commercial and residential installations.