Pebble Tec® Enduring Natural Elegance Pool Finish What is the difference between Pebble Tec® and plaster/marcite?
Plaster/marcite is a combination of cement, sand, and calcium carbonate (crushed marble). When applied, it is troweled until the “cream” is brought to the surface. In that cream is calcium carbonate and cement. The cream hardens and becomes a protective layer. It is approximately the thickness of two to three sheets of paper. This is why an acid bath is damaging to plaster/marcite, because the protective layer is so thin.
