Half Off Ponds Pond Free MatrixBlox Dimensions: 28″ x 16.5″ x 15.5″: Water matrix blocks installed in lined excavations create weight-bearing underground water storage reservoirs. 96% Void Space: Half Off Ponds MatrixBlox hold more water in a smaller volume, reducing the overall size of the basin. Versatility: MatrixBlox lock together quickly and securely, easily supporting landscaping, pavers, gravel or sod for great design versatility Designing Basins: Arrange modular blocks in any configuration and any number of levels to accommodate almost any basin. Excellent for bog construction to create settling chambers below natural plantings of active bog filters.
