NPT QuartzScapes® Caribbean QUARTZSCAPES CURACO NIGHT Curacao Night Pool Finish Parent Kit - Finish your pool with distinction! QuartzScapes Caribbean Series Curacao Night quartz interior pool finish creates dark blue to deep dark green water color depending on the depth of the pool and ambient light and is comprised of black pigmented white Portland cement, natural quartz aggregate and Cobalt Blue and Black 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.