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The AQUASCAPE 51004 is a modular water storage and management matrix designed for use in subsurface water features, rainwater harvesting systems, and pondless waterfall installations. The unit measures 26.5 inches long by 16 inches wide by 9.5 inches tall and weighs 11 pounds. Its open-cell lattice structure maximizes water storage volume while supporting substantial overburden loads, making it suitable for burial beneath gravel, soil, or hardscape. Licensed pond and water feature installers use this matrix as a primary reservoir component in gravity-fed and pump-fed systems.
The 51004 AquaBlox Small matrix is used in residential and light commercial water feature construction, including pondless waterfalls, rain gardens, and stormwater attenuation basins. The unit ships in a configuration supporting 2A, 2C, and 4D connection orientations, allowing multi-unit linkage in modular grid layouts. Installers stack or interconnect multiple units to achieve the desired reservoir volume before covering with filter fabric and aggregate.
Designed as an OEM-style component for modular subsurface water matrix systems; compatible with other AquaBlox units that share matching port configurations for grid expansion.
Water matrix units are typically installed by pond and water feature contractors or experienced landscape professionals. Before installation, excavate to the required depth and line the basin with appropriate filter fabric to prevent sediment intrusion. Units should be seated on a level, compacted base and wrapped in filter fabric prior to backfilling with clean aggregate. Ensure all plumbing and pump connections are made and tested before final burial and surface restoration.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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