Durawhite® crushed aggregate for pool plaster applications is a very white and carefully sized marble that provides a pristine, smooth and bright white finish when mixed with white cement and water. The consistency of DuraWhite means it easily and smoothly mixes and applies for the perfect pool surface. The pool marble aggregate's physical makeup means you get a non-abrasive product that gives your customers a finish that's comfortable to the touch with no grittiness.