Aquaculture Aeration Articles

  • Case study - Reliable aeration offers foundation for growth and sustainability at Pacific Reef Fisheries

    Overview: Pacific Reef Fisheries (PRF) has been a valued Aeration Industries International (AII) client dating back to 2003. John Moloney, General Manager of PRF and Vice President of the Australian Prawn Farmers Association, has been with PRF since 1994 and is dedicated to the sustainable growth of aquaculture. PRF has been in the prawn business ...

  • CO2 Removal and Stripping Column Ventilation Rate at Bell Aquaculture

    Monitoring and controlling CO2 level in Recirculating Aquaculture Systems (RAS) is crucial not only for fish health but it is used increasingly for efficient management. Under supervision of Steve Summerfelt, a joint project has studied costs savings with optimizing ventilation based on CO2 continuous monitoring. The CO2 probe used in that project came from ...


    By Franatech GmbH

  • Measurement of the amount of DissolvedOxygen

    Dissolved Oxygen (DO) is the term used for the measurement of the amount of oxygen dissolved in a unit volume of water. In water quality applications, such as aquaculture (including fish farming) and waste water treatment, the level of DO must be kept high. For aquaculture if the DO level falls too low the fish will suffocate. In sewage treatment, bacteria decompose the solids. If the DO ...


    By Delta OHM S.r.L.

  • For lively fish in the water Oil-free generation of oxygen at fish farm - Case Study

    For 30 years, trout have been cultivated at the Winkelmann farm in Wietzendorf (Lower Saxony), southeast of the city of Soltau. What started out as a hobby ultimately became a business. Since then, the main goal has been the preparation of fish eggs, caviar (roe). The female trout are brought up in concrete semi-circulating basins and slaughtered after 26 to 29 months as salmon trout. The annual ...

  • The treatment of (fish) ponds on an environmentally friendly manner with the usage of the LG Sonic case study

    Aquaculture, or aqua farming, is the cultivation of aquatic organisms, such as fish or shrimps, in a controlled environment. Where this happens in a closed water container, algae may occur that pollute the water and may damage the organisms grown. Many of the traditional methods to fight algae are either insufficient, cumbersome, environmentally unfriendly, or all of these. LG Sonic uses ...


    By LG Sonic

  • Fish farming at Kontiolahti

    At Kontiolahti Fish farm the cuttings of salmon, trout and rainbow trout are cultivated to juveniles. Spawn is hatched and the juveniles of 0+ age-class are farmed inside. The older juveniles are farmed outside in surface basins. The water flow is 100-170 l/s depending on the season. Situation in the beginning The oxygen rate of the becoming water to the farm was not enough time to time, ...


    By W-Rix Ltd

  • Case study: Fish farm

    OverviewKfar Ruppin is one of the leading fish farming coops in Israel. Recent restrictions on water consumption and discharge have led the coop to consider semi intensive closed loop fish ponds. The main objectives in closed loop fish farming applications are prevention of Ammonia and Nitrite accumulation, and removal of suspended solids. Usually, the investment in a closed water cycle system ...

  • Minnesota, USA: A challenging climate for fish

    Icy winters and hot summers resulted in fish kills at this Minnesota farm raising walleyes, muskellunge, black crappies and northern pike. In winter, ice and snow on the pond’s surface caused dissolved oxygen levels to drop below 5 ppm, stressing the fish. Summer heat decreased the pond’s capacity to hold dissolved oxygen and caused excessive algae growth. The farm tried fountain aerators to ...

  • Colombia: Tilapia venture doubles yields

    The first red tilapia farm in Colombia, South America gained government approval as a 'high priority project' due to its exportation goals. Since its start-up, production rates have doubled with the addition of AIRE-O2® aerators. Stocking densities increased from 5 to 10 animals per m 2. Dissolved oxygen (D.O.) levels increased from 2-3 ppm to 4.5-5 ppm. Production yields climbed from 30,000 ...

  • Jamaica: Tilapia pioneer expands

    Since 1983, this red tilapia farm has been using AIRE-O2® aerators in its grow-out ponds, which produce millions of pounds of fish per year for the Jamaican market and for export. In a1990 interview, a manager at the farm said, 'We have AIRE-O2® aerators here that have been running continuously for eight years. For maintenance people, its like a dream come true.' He added, ' these AIRE-O2® ...

  • Indonesia: Opportunity for shrimp aquaculture

    Great opportunities exist in shrimp culture in Indonesia due to land availability and ideal climate. Already, this country is one of the largest producers in the world. Many farmers use AIRE-O2® aerators as their 'aerator of choice' because the 'performance is better than the paddlewheel and the AIRE-O2® aerators keep the bottom of the ponds cleaner,' said the manager at this farm. The P. ...

  • Malaysia: Strong demand for ornamentals

    The ornamental fish cultured at this Malaysian farm are exported primarily to the U.S.A. The average stocking rate in the 100 ponds of varying size is 10,000 pieces. Survival is 70 to 80 percent. Factors such as size, color and species set the ornamental’s value. Colorful males are worth more money and in greater demand. This farmer depends on the AIRE-O2® aerator’s good oxygen transfer and ...

  • Portugal: P. Japonicus shrimp venture breeds profits

    An experimental venture into the P. Japonicus shrimp business has yielded good profits. The shrimp’s market prices are four times better than for P. vannamei , more common in Portugal. The owner believes water quality management is critical. He uses only AIRE-O2® aeration. He explained, 'This species digs into sand and only comes out at night to feed. At night, we need the best environment in the ...

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