C.L. Industries CrystalStones CSSMCRBD Micro Bead Smooth 80 lb is easy to apply through a traditional or spray application and turns plaster into a stunning, etch-resistant, snap-to-maintain finish that will completely transform your pool. CrystalStones® are the most durable, long lasting pebble pool finishes available today. CL Industries also offers an extended warranty through our Authorized Applicators.