Read on if you like to save 75% water on irrigation, fertilizer, pesticide and herbicide while saving the environment by reducing runoff and percolation. Water Saving Sand aka Liner Sand is an innovating and patented product invented by Rechsand for over 10 years ago. It might seem novel simply because it’s the first time the Rechsand products being introduced outside of the middle kingdom. All of the products have being market tested for years, they are either unique of among the best in their categories.