Any natural stone or masonry surrounding a saltwater pools should be sealed for protection to prevent pitting and flaking for the surface called "Spalling", This is caused by saltwater splash-outs penetrating into porous stone or concrete. The product you need is manufactured by DuPont specifically for stone and masonry surrounding saltwater pools. It can be purchased online at the link below http://www.levantinausaec.com/d14226675.html
Jun 05, 2009
Sealer by: Austin
I would use sealer, Dupont makes a special sealer for salt water pool systems to prevent spalling of natural stone and mansonry. You can buy it at www.levantinausaec.com