BioFishency hails first-in-the-world success in electro-chemical removal of off-flavors in Recirculated Aquaculture Systems

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BioFishency ELX™ decomposes MIB and geosmin, fully eliminating off-flavors in the purging while feeding process

BioFishency, a leading global provider of electro-chemical and biological aquaculture water treatment solutions for Recirculated Aquaculture Systems (RAS), announced today the first-ever MIB and geosmin removal from both the water and fish tissues during routine feeding, resulting in the elimination of off-flavors in trout.

BioFishency’s R&D team, in collaboration with the Technion – Israel Institute of Technology, recently performed multiple tests to determine the effects of BioFishency ELX™ in the removal of MIB (2-Methylisoborneol) and geosmin, the sources of unsavory off-flavors, during a purging stage, while continuously feeding the fish.

The results of the tests at BioFishency’s R&D RAS facility yielded unprecedented results, proving, for the first time ever in the water treatment solution industry, the unique capabilities of BioFishency ELX™, to efficiently decompose MIB and geosmin in fish while feeding, and maintaining fish growth.

An advanced Electro-Chemical Water Treatment (ECWT) system for cost-efficient ammonia removal and water disinfection, BioFishency ELX™ outpowers the inefficiencies of biological RAS, all in a fully controlled environment, while eliminating off-flavors, to deliver a healthier year-round harvest of fish.

“Ideal for both cold and warm water species, and powered by a built-in disinfection, multi-stage solution in a single cycle, BioFishency ELX™ directly transforms ammonia to nitrogen gas.”

Highly sustainable, the system supports a small carbon footprint, requires considerably less space and energy, and operates immediately upon electrical supply, resulting in significant CAPEX and OPEX savings, an improved ROI.

BioFishency Co-Founder & CTO, Igal Magen, comments, “Off-flavors have a substantial impact on the quality of fish and their market value, as consumers are very sensitive to off-flavors, and will not purchase fish with an undesirable taste or odor.” Magen adds, “Hands down, we have proven the unrivaled capabilities of BioFishency ELX™ in fully eliminating the MIB and geosmin species, largely responsible for the off-flavors in fish. Our ability to do this in purging units while feeding the fish, is a true revolution in our industry, and a testament to BioFishency’s disruptive technology, which supersedes the traditional biological RAS purging process.”

The traditional purging process helps to effectively remove off-flavors, whereby the fish are maintained in clean and aerated water, typically for a 14-day period. During this time, the fish are under full or partial starvation, digesting and expelling compounds that contribute to the off flavors.

Comments Magen, “With the conventional process of purging under starvation that demands vast quantities of water exchange, growers lose ~5% in fish weight, thereby decreasing their market value, while consuming large amounts of used and discharged water, which has a negative effect on the environment.”

Magen adds, “The live testing of running BioFishency ELX’s purging while feeding, presents a valuable economic and sustainable solution for RAS farmers, enabling both fish welfare, and normal growth during purging. Further, Aquaculture investors can optimize RAS operations, and drive sustainability and profitability forward.”

Comprehensive laboratory and live testing over a three-week period performed on trout under the auspices of Prof. Ori Lahav and Dr. Raz Ben-Asher from the Technion’s Faculty of Civil and Environmental Engineering, confirmed that MIB and geosmin can be fully eliminated with BioFishency ELX™ in less than 10 days.

“During the testing, the fish were exposed to water spiked with high levels of MIB and geosmin, after which, the BioFishency ELX™ system was introduced during the purging while feeding the fish.”

According to Prof. Lahav, “Within 5 days, all of the MIB in the water had been removed, while in 7 days, the system efficiently oxidized the geosmin. In just 7 days, the MIB was not detected in the fish flesh, and within 10 days, the geosmin was fully removed from the skin and muscles.” Prof. Lahav concluded, “These are extraordinary results, never before seen in our many years of research in the field. We are eagerly awaiting additional testing of the BioFishency ELX™ system on salmon, in the dedicated laboratories managed by the globally-acclaimed Yonathan Zohar, Professor & Chair, Department of Marine Biotechnology, UMBC (University of Maryland, Baltimore County).”

About BioFishency

Founded in Israel in 2013, BioFishency Ltd. develops, manufactures and markets disruptive electro-chemical and biological aquaculture water treatment solutions for Recirculated Aquaculture Systems (RAS).

Based on Big Data analysis and independent of water temperature, the company’s patented technologies enable the production of healthier seafood products, while lowering the carbon footprint, yielding cost and resource savings for its customers around the globe.

BioFishency brings together expertise from the aquaculture, engineering, supply chain and international business development sectors, backed by a skilled and professional management team, and maintains offices and production facilities in Israel and China. Visit

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