Preventing Failures in Aquaponics! The Essential Reason for Dissolved Oxygen (DO)
High Concentration Gas Dissolution Device - Oxygen Fighter
Oxygen supply in aquaponics supported by oxygen fighters.
In "aquaponics," which combines fish farming and hydroponics, the key to stable operation is undoubtedly the concentration of dissolved oxygen (DO) in the water. Conventional aeration has a limit of about 5 to 7 mg/L, but by introducing a high-concentration oxygen dissolution device called "Oxygen Fighter," it becomes possible to supply high-concentration oxygenated water exceeding 20 to 25 mg/L in a single pass, even at room temperature. Aquaponics consumes a lot of oxygen. The situations where oxygen is needed include: Fish: Respiration and countermeasures against DO reduction during feeding In the water: Nitrification of ammonium nitrogen and decomposition of feces and residues (decomposition by aerobic microorganisms) Vegetables: Providing oxygen to the roots improves root growth Under low oxygen conditions, it is difficult to meet the required oxygen levels, and if one aspect collapses, it can easily lead to a chain reaction that disrupts the balance. Therefore, maintaining stable DO is the key to the success of aquaponics. The Oxygen Fighter efficiently dissolves oxygen into the water with almost no bubbles. Additionally, since it does not form bubbles, it remains at the bottom of the water, preventing the sludge formation of feces and residues and creating a healthy environment. If you have any questions, please feel free to reach out. *Please also check the related links.
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basic information
We have a total of 20 models with a maximum flow rate ranging from 60 L/min to 5000 L/min, including both freshwater and seawater. Our company sets the performance standard for dissolution at 20.0 mg/L to 25.0 mg/L during one pass (when water is flowing). We will suggest the appropriate model selection based on the required oxygen amount, so please feel free to contact us first.
Price information
The price varies depending on the specifications of the device, so please feel free to contact us.
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Applications/Examples of results
○Aquaculture ・Eel, sweetfish, trout, carp, salmon, shrimp, sturgeon, abalone... various types of land-based aquaculture ○Hydroponic (nutrient solution) cultivation ・Strawberries, green onions, lettuce, sancho, roses... various types of crops ○River and lake purification ・Implementation of river and lake purification projects both domestically and internationally ・Adoption of JICA projects
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At Daiei Manufacturing Co., Ltd., Environmental Division, we propose a high-concentration oxygen dissolution device as an alternative to conventional aeration methods. We aim to contribute to the establishment of a healthy social environment by utilizing this oxygen dissolution technology. In rivers and lakes, we create a saturated dissolved oxygen state near the bottom, promoting the activation of aerobic microbial communities. In industrial wastewater, high concentrations of dissolved oxygen have also made it possible to address high-load, high-density activated sludge (microorganisms). It is also used for the dissolution of gases other than oxygen.










