Aquascape AquaBlox® Water Storage Modules are structural units designed for underground water storage in Pondless Waterfalls, wetland filters, fountain reservoirs, and rainwater harvesting systems. Available in two sizes, AquaBlox provide approximately three times the water storage capacity of gravel.
AquaBlox Small — Item #29491
Dimensions: 26.5" L × 16" W × 9.5" H (67.3 × 40.6 × 24.1 cm)
Water capacity: Approximately 17 gallons (64 liters)
Construction: Eight interlocking structural panels
Material: Recycled plastic
AquaBlox Large — Item #29492
Dimensions: 26.5" L × 16" W × 17.5" H (67.3 × 40.6 × 44.5 cm)
Water capacity: Approximately 32 gallons (121 liters)
Construction: Eight interlocking structural panels
Material: Recycled plastic
Shared specifications
Load-bearing capacity: Up to 5,472 lbs/ft² (26,700 kg/m²), when properly installed and oriented.
Storage efficiency: Approximately 7.4 gallons per cubic foot (989 liters/m³).
Design: Modular, stackable construction with openings for water circulation.
Assembly: Interlocking panels with a pin-lock design.
Important: Install AquaBlox in the correct orientation to maintain their rated load-bearing capacity. Follow Aquascape installation instructions for stacking and reservoir construction.