Today, the aquaculture industry accounts for more than 47% of the world’s seafood consumption and the number continues to grow. With this, the industry practices have been called into question due to end-product quality and environmental strain caused by out-dated and poor practices. But it doesn’t have to be this way. As a pioneer and leader in developing UV systems for the aquaculture sector, we ensure water biosecurity of cultured species to protect the production from contamination – in a range of climates.

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Support throughout the entire process

Backed by 25+ years of research and innovation experience, our engineers and industry specialists offer a range of services to ensure optimized UV disinfection for your specific requirements. This includes engineering support, optimal UV system sizing for the selected application, 3D drawings, analytical support of water samples, on-site validation testing, and much more.

PRODUCTS

UV DISINFECTION SYSTEMS FOR AQUACULTURE

non corrosive polypropylene uv system

NON-CORROSIVE PP SERIES

The Non-Corrosive PP series is developed specifically for disinfection in…

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ultrabarrier uv disinfection system

ULTRABARRIER™ SS SERIES

The ULTRABARRIER™ series is developed specifically for intake water UV…

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ultrabarrier polypropylene intake water uv disinfection system

ULTRABARRIER™ PP SERIES

The ULTRABARRIER™ Non-Corrosive PP series is designed specifically for intake…

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open channel polypropylene uv disinfection system

OPEN CHANNEL PP SERIES

The Open Channel PP series offers safe, chemical-free disinfection which…

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ULTRAQUBE™ GFRP (6-18) SERIES

The ULTRAQUBE™ features energy-efficient high-concentration ozone technology, designed as a…

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ultratron uv disinfection system

ULTRATRON™ SERIES

The ULTRATRON™ series is optimized for high flow applications where…

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general water uv disinfection system

MONORAY™ SERIES

The MONORAY™ series offers reliable and efficient UV disinfection for…

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INCLINED OPEN CHANNEL SS SERIES

The Inclined Open Channel SS series offers safe, chemical-free disinfection…

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low flowrate pp uv systems

LOW FLOWRATE PP SERIES

The Low Flowrate PP series is designed for challenging low-flowrate,…

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non corrosive polyethylene high density uv disinfection system

NON-CORROSIVE PEHD SERIES

The Non-Corrosive PEHD series features high-density polyethylene (PEHD), ideal for…

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general water uv disinfection system

ULTRATOX™ SERIES

The ULTRATOX™ series is developed specifically for TOC reduction, being…

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open channel uv disinfection system

OPEN CHANNEL SS SERIES

The Open Channel SS series offers safe, chemical-free disinfection for…

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ultratron uv disinfection system

ULTRATRON™ AOP SERIES

The ULTRATRON™ AOP series ensures removal of organic and inorganic…

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ULTRAQUBE™ GFRP (1-5) SERIES

The ULTRAQUBE™ features energy-efficient high-concentration ozone technology, designed as a…

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CASES

SALMON HATCHERY IN SCOTLAND

“The UV disinfection systems procured from ULTRAAQUA is one of the primary biosecurity measures at the hatchery. Water testing has proven it be a highly effective line of defence, helping ensure our young fish experience the best growing conditions.”

Carlota Castaneda-Cobo - Operations Manager, Barcaldine Hatchery

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CASES

YELLOWTAIL RAS IN NETHERLANDS

“ULTRAAQUA has been a great resource assisting us in achieving our strict biosecurity, efficiency and sustainability goals with products that operate effectively and robustly in our extremely harsh and corrosive environment. Having successfully implemented their systems in our existing operations, it was an easy decision to rely on their support and expertise again with the new expansion.”

Christiaan de Wet, Head of Design & Engineering, The Kingfish Company

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CASES

SMOLT STATION IN ICELAND

“Our high demands for clean and safe intake water were perfectly accommodated by the UV systems from ULTRAAQUA, helping us avoiding bacteria outbreaks and ultimately being able to ensure a higher production yield.”

Fannar H. Þorvaldsson - Managing Director, Rifós

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CASES

EEL FACILITY IN CHINA

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CASES

TROUT RAS IN CANADA

“The ULTRAAQUA UV system delivers performance beyond our expectations. The system is sized with a large safety margin, which provides optimal UV doses throughout the lifetime of the lamps. The system is easy to install and operate, and we will definitively be working with ULTRAAQUA on our future UV needs.”

Clément Roy – Owner, Ferme piscicole des Bobines inc.

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CASES

SHRIMP FARM IN VIETNAM

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CASES

SALMON RESEARCH FACILITY IN NEW ZEALAND

“Our ULTRAAQUA UV units are integral parts of our RAS systems, they are trouble-free and we have been impressed by their performance and durability in both freshwater and seawater. The UV sensor output is a great addition and helps with our routine water quality monitoring.”

Chris Ensor, Aquaculture Operations Manager, Cawthron Institute

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CASES

SALMON RAS IN SWITZERLAND

“With the UV systems from ULTRAAQUA, we managed to reduce the mortality rate in our RAS drastically, while increasing the average weight of our fish.”

Kévin Demondion - Farm Manager, Swiss Lachs

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CASES

SHRIMP FARM IN NIGERIA

“One of the reasons we chose ULTRAAQUA UV is because we had a pleasant conversation at AquaNor in Trondheim. They are easy to reach in case of questions and the prices were competitive. The required level of biosecurity determines the need for a certain lamp output and ULTRAAQUA UV has done a great job in assisting with this by showing literature that explains the needed dosage to kill a certain disease vector.”

Harm Kampen, Technical Support Manager

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CASES

AQUACULTURE RESEARCH FACILITY IN KOREA

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CASES

AQUACULTURE RESEARCH FACILITY IN NEW ZEALAND

“We find the ULTRAAQUA UV’s to be durable and problem free units for our commercial scale systems. One feature that stands out is the thermal cutoff to protect the units against thermal damage if waterflows stops. They also stand up well to saltwater usage in and around the units”

Chris Blake, Advanced Technical Officer at The University of Waikato

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TILAPIA FARM IN THAILAND
CASES

FISH FARM IN THAILAND

“The result of the UV’s that we bought from ULTRAAQUA is good. I’m satisfied with the result, it can reduce total bacteria in the water and improve hatching rate to a higher percentage than before.”

Mr. Korakod Hongthong, Production Manager of Manit Genetics Co., Ltd.

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CASES

RESEARCH PROJECT IN VIETNAM

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CASES

WELLBOAT IN CHILE

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CASES

POST-SMOLT RAS FACILITY IN NORWAY

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CASES

RAS FACILITY IN TÜRKIYE

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CASES

RAS FACILITY IN GREECE

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CASES

SALMON SMOLT RAS FACILITY IN NORWAY

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FREQUENTLY ASKED QUESTIONS (FAQ)

Find frequently asked questions regarding UV disinfection for this industry by clicking on a question below.

How does UV disinfection in RAS improve fish health and growth rates?

UV disinfection plays an essential role in maintaining optimal health conditions within RAS facilities by neutralizing pathogenic microorganisms that can cause disease. This process helps to prevent the spread of infections among the selected species, leading to healthier, more robust growth and higher survival rates. It is a non-invasive and non-chemical method that sustainably ensures the well-being of the fish.

Are UV disinfection systems difficult to maintain?

UV disinfection systems are designed for ease of maintenance, ensuring that they can be serviced with minimal downtime. Additionally, alarms regarding performance, lamp lifetime, etc., are available through the control cabinet, allowing for proactive maintenance. This can be combined with automatic sleeve wiping technology to further enhance operational efficiency and minimize maintenance requirements.

Does UV disinfection affect the water quality in RAS?

UV disinfection positively affects water quality in RAS without altering its chemical composition. Unlike chemical treatments, UV disinfection does not leave any residues or by-products in the water. This means the water remains safe and healthy for the species being cultured, without the risk of chemical buildup in the system.

How do I choose the correct material for the UV reactor?

Depending on the source of intake water, the environment can be very corrosive due to salinity or air humidity. This can be a challenging setting for commonly used materials in UV reactors and control cabinets.

Based on 25 years of experience in seawater disinfection in warm and cold-water environments, ULTRAAQUA has developed the UV stabilized polypropylene (PP), which is resistant to warm seawater due to its non-corrosive construction. For cold seawater and freshwater applications, fully electropolished SS316L reactors are available. This ensures an increased corrosion resistance on the outside surface, and increased UV light performance due to internal reflection on the inside surface.

How does UV disinfection support the health of shrimp during the farming process?

UV disinfection is a critical component in maintaining water biosecurity at all stages of shrimp farming, from hatcheries to nurseries and grow-out facilities. It effectively inactivates common shrimp diseases such as White Spot Syndrome (WSSV), Vibrio, EMS, and Mortality Syndrome (EHP), without altering water properties or creating harmful residues. This leads to healthier post-larval and juvenile shrimp, which are more resilient during the grow-out stage, resulting in higher survival rates.

Do UV systems help maximize yield and cost efficiency?

As a long-term supplier to the shrimp & prawn industry, we have seen countless examples of farmers all over the globe experiencing better feed conversion ratios, a significant reduction in antibiotic use, as well as improved survival rates across all steps of shrimp rearing. All these factors are directly linked to maximizing yield and cost efficiency.

Can UV systems be used for both intake and discharge water in shrimp farming?

The versatility of ULTRAAQUA UV systems makes them capable of disinfecting both intake, process, and discharge water. They are also effective in chlorine and ozone destruction applications, which is important for preventing potential negative impacts on the cultured shrimp.

Why is intake water disinfection crucial for aquaculture operations?

Intake water disinfection is crucial because it serves as the first line of defense in maintaining high biosecurity standards within aquaculture operations. Untreated intake water can introduce pathogens that may contaminate the entire production line, from hatchery to rearing tanks. This is especially critical for the protection of small eggs and fry, which are particularly vulnerable in their early life stages

How does UV disinfection of water compare to chemical disinfection methods?

UV disinfection is a physical process that does not introduce any chemicals into the water, maintaining the natural water quality and avoiding potential harm to aquatic species. It is environmentally friendly and cost-effective compared to chemical methods, which can leave residual compounds that may affect both the health of the species and the environment.

What are the costs of adding UV disinfection to an existing aquaculture facility?

Integrating UV disinfection systems into an existing aquaculture facility is an investment in the longevity and productivity of the entire aquaculture operation. While there is an upfront cost for the equipment and installation, the long-term benefits include reduced mortality rates, improved water quality, and decreased reliance on chemical treatments. These factors contribute to an increased long-term cost-efficient operation by lowering ongoing expenses related to fish health and water management, enhancing the overall efficiency of the aquaculture system.

Why are UV systems beneficial for disinfection in wellboat operations?

UV disinfection plays a vital role in wellboat operations for maintaining the health and welfare of the fish during transport. UV systems effectively neutralize harmful pathogens and parasites in the water, reducing the risk of disease outbreaks to ensure that the fish remain healthy throughout the journey.

How does UV treatment benefit the overall quality of water in wellboats?

UV treatment significantly improves the water quality in wellboats by eliminating microorganisms that can degrade water conditions. This leads to a healthier environment for the fish, reducing stress and mortality rates during transport.

Is UV disinfection a cost-effective water treatment method?

UV disinfection is a cost-effective solution for wellboats, as it helps in reducing losses due to disease and contributes to the overall health and overall quality of the fish, leading to better market value.

How does UV treatment contribute to sustainable aquaculture practices in wellboats?

UV treatment contributes to sustainable aquaculture practices by providing a chemical-free method of maintaining water quality. This approach aligns with environmental conservation efforts and ensures the well-being of the fish, supporting sustainable aquaculture practices.

What is Geosmin and MIB, and why are they a concern in aquaculture?

Geosmin and Methyl-Isoborneol (MIB) are naturally occurring compounds often found in fish from Recirculating Aquaculture Systems (RAS). The compounds accumulate in the fat tissue of fish, leading to an earthy, muddy taste. This not only affects the quality of the fish but also leads to economic losses due to extended production times and potential rejection by fish refining companies.

What is the role of UV disinfection in mitigating Geosmin and MIB in water?

UV disinfection can play a crucial role in mitigating Geosmin and MIB (2-Methylisoborneol) in water, which are compounds responsible for earthy and musty odors. UV treatment is capable of breaking down these compounds, improving the water’s taste and odor.

What are the traditional methods for removing Geosmin and MIB from fish?

Traditionally, fish are placed in large tanks of high-purity, oxygen-rich water to remove Geosmin and MIB. While effective, this method is costly and requires large quantities of pure water, making it a less feasible option for many aquaculture operations.

How do ULTRAAQUA AOP systems contribute to the mitigation of Geosmin and MIB?

The AOP systems from ULTRAAQUA use a combination of chemical oxidation and photolysis to effectively break down Geosmin and MIB. This advanced treatment method is particularly beneficial in handling the complex nature of these compounds in RAS facilities.

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