C.L. Industries Hydrazzo® Classico PIGPAKHYDCLBLUO Blue Pigment Polished Pool Finish Pack. Aquavations Hydrazzo, Polished Marble pool finish is a swimming pool surface of specially blended white marble aggregate, white portland cement, graded color aggregate and proprietary ingredients. This product produces the smoothest non-slip natural finish available and it’s unique formulation provides resistance to spot etching, permanent scale and algae adhesion. Roughness complaints are eliminated as the surface can be easily polished to a uniform luster. Aquavations Hydrazzo is ideal for new or existing residential and commercial applications.