Water grids are used to create fountains and water features. The grids can be placed on pond liner or on a plastic tub, which is then filled with water. The opening is intended for the fountain pump and the top of the grid is then covered with all kinds of boulders. In this way you can beautify your garden by means of a rippling fountain.Advantages of a water grid for fountains+ Available in different sizes+ Hot dip galvanized, does not rust.+ Ideal for fountains and water features+ Provided with an opening to access the pump* Grate does not include a water tank