NPT QuartzScapes® Regular Series QUARTZSCAPES SKY BLUE Sky Blue Pool Finish Parent Kit - Finish your pool with distinction! QuartzScapes Regular Series Sky Blue creates light blue water color and is comprised of white Portland cement, natural quartz aggregate and Cobalt Blue S-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.