Our Alpaca Travertine has become the “go-to” product for swimming pool and pool patio applications. Inca Stone’s Peruvian Travertine is one of the only natural stones in the industry that can be used in water-line and submersible applications in swimming pools. Peruvian Travertine has tested with 99.9% Calcium Carbonate, the most reliable and stable Calcium you can have in a natural stone, Muratic acids, chlorine, and saline pools do not affect Inca Stone’s travertine. You can also order custom stair treads and pool coping. Choose a 4-piece pattern or a larger format 16×24″ single-size pattern. Reach out for more information.