Tenax Ager 1 LtTenax Ager revitalizes and enhances the color of natural stone surfaces. It also enriches the natural grain of the material as it protects the stone's natural beauty. Ager seals natural stone surfaces so that oily substances take longer to penetrate. Colored liquids stay on the surface of the stone so that they don't get into the pores of the stone and stain it. Finally, Tenax Ager protect all sorts of natural stone against absorbing even clear