NPT PolishedScapes® SKIPPING ROCK - LIQUID 1/2 Skipping Rock - Liquid Pool Finish .5 Parent Kit - This stunningly smooth mix of marble and glass aggregates is polished using diamond abrasives. Mirrored highlights that sparkle in the sun make PolishedScapes® as pleasing to the eye as it is to the touch. Throughout the life of your pool, PolishedScapes finishes can be re-polished many times to restore its original luster.