Aqualonis and the Water Foundation
The Aqualonis CloudFisher is a set of fog-harvesting nets that capture and collect water for use in foggy coastal areas.
The Aqualonis CloudFisher is a fog-collector that harvests fog from the air when it blows into the CloudFisher’s 3D mesh nets and collects the condensed water into a trough for use in suitable coastal locations. The product was originally developed by Wasserstiftung, and is commercialized by Aqualonis. The product is available in three different sizes to cater to different water harvesting needs, as well as a Test model.
Target regions include Australia, Bolivia, Chile, Colombia, Eritrea, Ethiopia, Iran, Morocco, Namibia, Nepal, North America, Oman, Peru, Spain, South Africa, Tanzania, and Yemen. The product has been implemented in Morocco, Tanzania, and California.
The CloudFisher is manufactured and sold by Aqualonis and delivered worldwide.
1,050 USD for a test unit to 12,000 USD for a minimum order of five full-scale CloudFishers. Prices are lower for larger orders.
Other water-harvesting technologies that source water from fog, humidity, and rainfall, such as the Warka Water Tower, or Isla Urbana Tlaloque.
Goal 6: Clean water and sanitation
Target users include rural communities, households, and businesses such as distilleries and bottling plants.
The CloudFisher is mass-manufactured in Munich, Germany, and shipped to the destination country. The installation pricing consists of site evaluation for optimal net placement, pouring concrete foundations, setting up the metal frame and nets, and is carried out on-site by local labor under the supervision of an Aqualonis employee.
The CloudFisher is a registered trademark of the WaterFoundation and is licensed exclusively to Aqualonis for marketing and sales.
Users can obtain the product by ordering through the manufacturer. The product is shipped by the manufacturer, which provides on-site installation support.
Since its incorporation in 2017, Aqualonis has installed 3 sets of CloudFishers in Tanzania, Morocco, and California USA.
Source that the water is harvested from (e.g. fog, rain collection, etc.)
Rate of water collected, measured in liters per hour
Size of the collection mechanism (m3)
Energy required to operate this system (kWh or N/A)
Description of integrated water treatment
Integrated water storage, measured in liters
List of necessary environmental conditions for operation
The CloudFisher is available in three different sizes, the Pro, Mini, and Test. The CloudFisher Test is a smaller model used for gathering data for potential implementation sites. The product consists of a metal frame, mesh, expanders, concrete, anchoring, and string. The frames house flexible polyester catchment mesh. CloudFisher Pro has 4 frames of 13.5 m2 mesh, for a total net surface of 54 m2. The CloudFisher Mini has 3 frames of 6 m2 mesh for a total net surface area of 18 m2. The CloudFisher Test has a 1 m2 mesh surface area. The nets are 3D woven spacer fabrics made from a specialized mono-fiber. These nets cost approximately 200 USD per square meter. The mesh is connected to the frames with rubber expanders. The posts of the frames are concreted into the ground. Strings anchor the frames in positions to best optimize water harvesting. The product can withstand wind speeds of up 120 kph due to the strong frame and concrete foundations. All materials are UV-resistant and food-safe made of monofibre weaved nets.
Users can obtain on-site support from the manufacturer.
Rubber expanders are replaceable.
Each full-size 54 cubic meters CloudFisher Pro can provide 52 L/hr of clean drinking water under ideal conditions. Interview with manufacturer
Engineering consultancy LEICHT and the University of Munich, Faculty of Civil Engineering and Environmental Sciences helped develop the CloudFisher Pro’s rugged design and the 3D mesh.
If the CloudFisher’s foundation or supports fail due to wind it could cause injury to a person trapped beneath it.
Reservoir, settling tank or basin, and pipelines from the installation to the community.
Qadir, M., et al, 2018, Fog Water Collection: Challenges beyond Technology Fog Water Collection: Challenges beyond Technology. pp. 372.
Qadir, M., et. al, 2018, Fog Water Collection: Challenges beyond Technology MDPI Water. Vol 10.
Schunk, C., 2016, Testing water yield, efficiency of different meshes and water quality with a novel fog collector for high wind speeds.
Aerosol and Air Quality Research. Vol 18.
Dodson L., Bargach K., Harvesting fresh water from fog in rural morocco: research and impact. Humanitarian Technology: Science, Systems and Global Impact 2015.
The product is certified by the German Drinking Water Ordinance and complies with WHO safe water drinking standards, as tested by WasserStiftung.
Aqualonis tested its CloudFishers in Morrocco for performance under different meteorological conditions with the Department for Ecoclimatology at the Technical University Munich. During the fog season from December 2013 to June 2014, the water yield, wind speed and direction, the temperature and relative humidity on top of Mount Boutmezguida were measured on a daily basis.
The CloudFisher was mentioned in the Catalogue of Good Rainwater and Recovery Practices, 2019. Note the resource is in French.
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