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While conventional commercial water features typically have high energy and maintenance costs associated with mechanical and physical control/removal of noxious algae, the natural systems approach maintains an aesthetic, nutrient-balanced system through an ecological approach. The wetland technologies are engineered to out-compete algae for nutrients, allowing for a low-cost control over an aesthetic nuisance. Importantly the technology is often coupled with a low energy circulation system to maximize the volume of water through the wetland system to remove algae and nutrients.
Punawai Water Feature, Hualalai Resort, Hawaii,
2005 U.S. ENVIRONMENTAL PROTECTION AGENCY AWARD
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