The amount of stone needed to build a BioFalls waterfall depends on the filter model, waterfall height, and overall design. The following estimates include boulders for the waterfall face and surrounding wing walls.
Signature Series 1000 BioFalls
- Boulder quantity: 0.5 US tons (0.45 metric tons)
- Boulder size: 12–18 in. (30–46 cm)
- Waterfall height: 15 in. (38 cm)
Signature Series 2500 BioFalls
- Boulder quantity: 1.5 US tons (1.36 metric tons)
- Boulder size: 18–24 in. (46–61 cm)
- Waterfall height: 18 in. (46 cm)
Signature Series 6000 BioFalls
- Boulder quantity: 3.5 US tons (3.18 metric tons)
- Boulder size: 18–24 in. (46–61 cm)
- Waterfall height: 24 in. (61 cm)
Note: These quantities are estimates for the waterfall face and wing walls. Actual stone requirements will vary depending on the waterfall design, stone shape, and size of the surrounding wing walls.