Water Governance Institute Aquaponics System
Water Governance Institute
The Water Governance Institute’s aquaponics system is a combination fish tank and grow-bed unit.
The Water Governance Institute’s aquaponics system contains a grow-bed for crops suspended over an aquaculture tank. The two components create a symbiotic environment where the nutrient-rich water produced by the fish is used to irrigate the crops, and the water draining into the tank is cleaned by the plants.
Many aquaponics systems are open-source and can be constructed from local materials.
Families experiencing fish scarcity and nutrient deficiencies.
The product is built by the consumer with help from the Water Governance Institute.
The product is distributed by the Water Governance Institute to families in need in Uganda.
The kind of aquaponic system used (Nutrient Film Technique, Media beds, Deep Water culture or other)
Customized or standardized grow bed area (“Customizable” or “X x X m”)
Types of fish that the system is designed for (fish species/types)
Maximum number of fish (“X fish” or “Customizable”)
Size of the aquaponic tank (“X x X x X m or m3)
The types of plants that the system is designed for (plant groups or specific crops)
The energy source of the water pump or manual irrigation (power source type or manual)
Some hydroponics systems include water filters, some require the user to periodically drain and refill the water. Is there a filtration system included? (Yes/No)
Does the the system come with an aerator which pumps oxygen into the tank? (Yes/No)
Water that is periodically replenished in the fish tank (Volume or depth per unit of time)
Type of digital monitoring systems that may or may not connect to a smartphone app that monitor such things as nutrient levels, water temperature, etc. (Automated or Manual)
The product contains a grow-bed and a fish tank. The grow-bed is a 10-15 cm deep tray filled with a growing medium such as husks or loamy soil. Crops such as sweet pepper or tomato can be grown in the tray. The fish tank is filled with water that can hold fish such as tilapia. The fish tank can be sized at 1000 L, 9200 L, or 75,000 L to hold a maximum of 200, 1200, or 7500 fish. There is a spigot at the bottom of the tank that allows the user to drain water from the tank to water the crops. The grow-bed has a water-permeable bottom that allows wastewater from the crops to drip back into the fish tank. Additional water must be added to the system regularly to replace water lost through evaporation and crop transpiration.
Provided by the Water Governance Institute.
The designers aim to increase crop and fish production in communities that have the aquaponics system, leading to better nutrition and additional household income.
No known safety hazards are related to this product.
If electricity is available, sensors, water pumps, and aerators can be added to the system.
Mugisha, B. H., 2018, Promoting commercial aquaponics farming among smallholder households/farms for water-use efficiency, food security and livelihood improvements, Smart Water Management Case Study Report.
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