Algaecides Market Report 2026

The algaecides market size has grown rapidly in recent years. It will grow from $4.28 billion in 2025 to $4.79 billion in 2026 at a compound annual growth rate (CAGR) of 11.9%. The growth in the historic period can be attributed to increasing algal bloom occurrences, expansion of aquaculture operations, rising use of surface water treatment chemicals, growing agricultural water management needs, availability of copper-based algaecides.

The algaecides market size is expected to see rapid growth in the next few years. It will grow to $7.42 billion in 2030 at a compound annual growth rate (CAGR) of 11.5%. The growth in the forecast period can be attributed to increasing regulatory focus on eco-friendly biocides, rising demand for natural and biodegradable algaecides, expansion of aquaculture production, growing investments in water quality management, increasing adoption of precision application techniques. Major trends in the forecast period include increasing adoption of environmentally safer algaecide formulations, rising demand for targeted algae control solutions, growing use in aquaculture and water treatment, expansion of non-copper and natural algaecides, enhanced focus on controlled algae management.

The rise in aquaculture is expected to drive the growth of the algaecides market going forward. Aquaculture involves the cultivation, rearing, and harvesting of aquatic organisms in various water environments, including fish, algae, shellfish, plants, and other species. This growth is primarily driven by increasing global demand for seafood to meet dietary needs and shifting consumer preferences. Algae play multiple roles in aquaculture, such as providing nutrition for aquatic animals, serving as a food additive in aquafeed, and aiding in wastewater treatment. For example, in July 2025, the Organisation for Economic Co-operation and Development (OECD), a France-based intergovernmental organization, reported that global apparent per capita consumption of aquatic animal foods was estimated at 21.1 kg in 2024 and is projected to rise to 21.8 kg by 2034, with regional variations expected. Consequently, the growth of aquaculture is propelling the algaecides market.

A key trend in the algaecides market is product innovation. Prominent companies in the industry are actively developing new products to strengthen their market position. For example, in January 2023, ARQUIMEA, a Spanish agricultural technology company, introduced BIO100, a biological and biodegradable algaecide. BIO100 is crafted from natural, chemical-free materials and combines the capabilities of a biological algaecide with those of sunscreen. This innovative product is designed to cater to agricultural soils, the environment, and their surroundings. The market is witnessing advancements and novel solutions, reflecting a commitment to sustainability and environmental protection.

In August 2024, Stanley Capital Partners, a UK-based private equity firm, acquired SePRO Corporation for an undisclosed sum. This acquisition aims to bolster SePRO's ability to deliver innovative and sustainable solutions for water management, especially in response to rising environmental challenges like nutrient pollution and invasive species. SePRO Corporation is a US-based manufacturer of aquatic algaecides, including SeClear.

Major companies operating in the algaecides market are BASF SE, Bayer AG, Syngenta AG, Corteva Agriscience, FMC Corporation, Nufarm Limited, UPL Limited, Lonza Group, Arkema S.A., Solvay S.A., Nouryon, LANXESS AG, Albaugh LLC, Arxada (formerly Lonza Specialty Chemicals), BioSafe Systems, SePRO Corporation, Lallemand Inc., Certis Biologicals, Valagro S.p.A., Marrone Bio Innovations, Ishihara Sangyo Kaisha Ltd.

North America was the largest region in the algaecides market in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in the algaecides market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the algaecides market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The algaecides market consists of sales of polyquats and metallic algaecides. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified).

The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

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