Algaecides Market

How big is Algaecides Market in 2026?

Algaecide sales are set to increase from USD 3.40 billion in 2025 to USD 3.6 billion in 2026, reaching USD 6.00 billion in 2036 on a 5.3% compound rate from 2026.

FMI sizes algaecide demand at USD 3.40 billion for 2025, USD 3.6 billion for 2026 and USD 6.00 billion for 2036, a 5.3% annual rate across the decade. Bloom monitoring data from 2025 and 2026 support steady treatment volumes. NOAA scored the 2025 western Lake Erie cyanobacterial bloom at 2.4, a mild season, yet projected a moderate 3.5 for summer 2026 with a range of 3 to 4.5, and puts the regional cost of harmful blooms at over USD 70 million a year [1][2]. In South Korea, the Gangjeong-Goryeong section of the Nakdong River moved to a caution alert at 17,014 harmful cyanobacteria cells per mL on 15 June 2026, after a first alert on 15 May, about eight weeks earlier than in 2025 [3]. The Murray Sunraysia algal committee listed 7 red-alert and 30 amber-alert sites on 8 May 2026, with 57.6 million cyanobacteria cells per mL at the Lake Menindee outlet regulator. Pool care adds a recurring base; as broader market context (not algaecide-specific), Pool Corporation, a leading pool-supply distributor, reported total 2025 net sales of USD 5,289.4 million, nearly level with 2024, on steady maintenance sales.

Suppliers are moving from single products toward diagnosis-led programmes and lower-copper chemistry. SePRO Corporation became SEPRO Scientific in July 2026 and named Earth Science Laboratories, GreenEYES, Arietta.ai and Resolve Hydro as recent acquisitions reinforcing its evolution into an integrated platform combining digital diagnostics, AI-powered insights and restoration solutions. In October 2026, the company signed a memorandum with Oase covering SeDox Max and SchlixX Plus, which bind excess phosphorus in US and Canadian lakes and ponds. BioSafe Systems launched VitriBlü in June 2025, an acidified copper algaecide built to cut elemental copper use and tank-mixable with the company's peroxygen GreenClean Liquid 5.0. Suppliers that pair registered algaecides with nutrient binders and bloom monitoring are likely to hold the larger share of municipal and lake-management contracts through 2036.

Key Market Trends & Insights

• Copper sulfate held 41.7% of chemical type demand in 2026. BioLab's BioGuard Banish pool algaecide carries 3.3% metallic copper derived from copper sulfate pentahydrate [4], showing that sulfate copper reaches well beyond lake and pond treatment.
• Liquid formulations took 52.8% of product form demand in 2026, led by products such as SEPRO's Captain liquid copper algaecide, which is labelled for still or flowing water in golf course, ornamental, fish, irrigation and fire ponds [5].
• Surface water bodies accounted for 38.9% of application demand in 2026, driven by recurring lake and reservoir blooms.
• Contact products held 49.3% of mode of action demand in 2026. 
• Municipal and public water authorities make up the largest buyer group per site, with NSF/ANSI 60 certification serving as a gate for reservoir use. PAK 27 holds that certification at maximum label rates.
• By distribution channel, institutional sales lead surface water work; pool and pond products instead move through retail shelves such as Airmax Algae Defense at Tractor Supply.

Regional Highlights

• Among the nine profiled countries, China moves fastest, compounding at 6.0% a year to 2036.
• The United States (5.8%) and South Korea (5.5%) come next, and Italy closes the list at 4.7%.
• Northern Ireland logged 41 confirmed blue-green algae reports on Lough Neagh between October 2024 and September 2025, 20 of them in August 2025.

Market Size & Forecast

Table 1: Market Size and Forecast for the Algaecides Market (USD billion and percentage), 2025 to 2036

Metric	Value
2025 Market Size	USD 3.40 billion
Estimated Market Size in 2026	USD 3.60 billion
Projected Market Size by 2036	USD 6.00 billion
CAGR, 2026 to 2036	5.3%
Added Revenue, 2026 to 2036	USD 2.42 billion
Market Expansion Multiple	1.7x

Exposure limits for recreation and drinking water will drive purchasing decisions. The EPA recommended swimming advisory values of 8 micrograms per liter for microcystins and 15 micrograms per liter for cylindrospermopsin in May 2019 as the basis for swimming advisories. Aquaculture adds a parallel need, with farmed output reaching 130.9 million tonnes in 2022 and supplying 51% of aquatic animal production for the first time. Pond and canal managers increasingly combine algaecides with oxidizers tracked in the hydrogen peroxide coverage. However, copper accumulation in sediment and permit conditions on discharges restrict repeat dosing in sensitive waters. Copper-based chemistry is set to keep the volume lead, even as peroxide and chelated grades take a rising share of new municipal programmes.

Bloom Pressure and Regulatory Evidence

Six indicators connect algaecide demand to bloom frequency, exposure thresholds and registration status across the profiled regions.

Table 2: Bloom Pressure and Regulatory Indicators for the Algaecides Market (mixed units), mixed reporting years from 2019 to 2026

Indicator	Data Point	Relevance	Source
Western Lake Erie bloom severity	2.4 in 2025 (mild); 3.5 forecast for 2026 (range 3 to 4.5)	Sets the treatment season for Great Lakes utilities and shoreline users	[1][2]
US recreational cyanotoxin values	Microcystins 8 µg/L; cylindrospermopsin 15 µg/L (May 2019)	Gives beach and lake managers a threshold that triggers action	-
Nakdong River, Gangjeong-Goryeong	17,014 cells/mL on 15 June 2026; first alert 15 May 2026	Earlier alerts lengthen the dosing season for Korean reservoirs	[3]
Murray-Darling alert status	7 red and 30 amber sites, 8 May 2026	Shows bloom persistence in drought-affected Australian storages	-
EU biocide product-type 2	Covers algaecides for swimming pools, aquariums and other waters	Places pool and water algaecides under BPR authorisation	-
EU copper sulphate pentahydrate approval	Expiry postponed by Implementing Decision (EU) 2025/432, 5 March 2025	Extends the window in which copper sulfate algaecides stay approved in the EU	-

Analyst Perspective

“Utilities and lake managers now ask for a bloom forecast, a toxin test and a nutrient plan before signing for a copper or peroxide treatment. Suppliers able to deliver all three, with registrations that hold up in each state and member country, are positioned to secure the multi-year contracts as blooms start earlier.”

- Nikhil Kaitwade, Principal Consultant, Future Market Insights.

How is the Algaecides Market segmented?

Algaecides market is segmented by six primary commercial axes and region: chemical type, product form, application, mode of action, end user, distribution channel, and region. In 2026, copper sulfate is projected at 41.7%, liquid at 52.8%, surface water bodies at 38.9%, and contact algaecides at 49.3%.

By chemical type: copper sulfate, chelated copper complexes, peroxide-based oxidizers (hydrogen peroxide, sodium carbonate peroxyhydrate and peroxyacetic acid), quaternary ammonium compounds, dyes and colorants, and others (endothall, biological and other actives).

By product form: liquid, granular and crystal, and pellet and tablet.

By application: surface water bodies (lakes, reservoirs and ponds), swimming pools and spas, aquaculture, agricultural irrigation, and industrial cooling and process water.

By mode of action: contact (rapid knockdown), sustained-release and residual, and preventive maintenance dosing.

By end user: municipal and public water authorities, industrial operators, commercial and recreational facility operators, agricultural and aquaculture producers, and residential consumers.

By distribution channel: institutional sales, retail stores, and online sales.

By region: North America, Latin America, Western Europe, Eastern Europe, East Asia, South Asia and Pacific, and Middle East and Africa.

Why does copper sulfate keep the largest chemical type share?

Copper sulfate is projected to hold 41.7% of chemical type demand in 2026, backed by low cost per treated acre and registrations that span lakes, canals and pools.

Table 3: Chemical Type Share for the Algaecides Market (percentage share), 2026

Chemical Type	Share (2026)
Copper Sulfate	41.7%
Other Segments Combined	58.3%*
Total	100.0%

*Represents the combined share of all other chemical types in the Algaecides Market.

Table 4: Chemical Type Leadership and Market Growth for the Algaecides Market (segment and CAGR percentage), 2026 to 2036

Metric	Value
Global CAGR (2026 to 2036)	5.3%
Leading Segment	Copper Sulfate

In the FMI report, copper sulfate accounts for 41.7% of chemical type value in 2026. The European Commission postponed the expiry of copper sulphate pentahydrate's product-type 2 approval in March 2025, and that product-type covers algaecides for swimming pools and other waters [7][8]. Pool brands rely on the same salt, as BioGuard Banish derives 3.3% copper from copper sulfate pentahydrate [4]. Chelated copper is the closest rival, with SEPRO's Captain using a copper ethanolamine complex at 9.1% metallic copper to limit precipitation in hard water [5]. The wider registration environment for these actives is tracked in the biocide analysis.

• Low cost per treated acre and labels spanning lakes, canals and pools carry copper sulfate to 41.7% in 2026.
• Chelated grades command a premium when alkalinity or flowing water would precipitate plain sulfate.

What gives liquid products the lead by form?

Liquids hold 52.8% of product form demand in 2026, since spray and drip application covers large surface areas and flowing canals.

Liquid formats suit boat-mounted sprayers and drip feeds into moving water. Cutrine Plus, a double chelated copper liquid, is labelled for lakes, ponds, reservoirs, hatcheries, raceways and irrigation conveyance systems, and can be dripped into flowing water. One gallon of Airmax Algae Defense treats up to 8,000 square feet of pond surface when water is at or above 60°F. Granular peroxide products hold the bottom-dwelling and spot-treatment niche, with GC Pro carrying 85% sodium carbonate peroxyhydrate equal to 27.6% hydrogen dioxide. Liquids are set to stay ahead, even as granular peroxides gain ground in drinking water reservoirs.

• Spray and drip dosing keep liquids at 52.8% of 2026 form demand.
• Granular formats favour benthic mats and shoreline spot work, since liquids tend to drift there.

Why do surface water bodies lead application demand?

Lakes, reservoirs and ponds give surface water bodies 38.9% of 2026 application value, with the biggest treated volumes and the widest public exposure.

Bloom alerts on reservoirs feed drinking water and recreation decisions at the same time. Sayeon Lake, a drinking water source for Ulsan, was under an attention alert in June 2026 with 1,250 cells per mL at the intake tower [3]. In Lake Taihu, cumulative bloom area fell to 2,693 km² in 2023, the lowest since 2003, but a 2026 modelling study found bloom area rising under every warming scenario tested. The European Environment Agency notes that toxic cyanobacterial blooms often lead to advice against bathing, and bathing water profiles need to assess cyanobacteria proliferation risk. Spending on surface water work links to municipal budgets tracked in the water treatment research.

• Surface water bodies hold 38.9% in 2026 on reservoir, lake and pond treatment.
• Phosphorus binders sold alongside algaecides lengthen the gap between treatments.

Why do contact algaecides lead by mode of action?

Contact algaecides represent 49.3% of mode of action demand in 2026, as bloom response calls for visible knockdown within days.

FMI finds that most lake and pond treatments begin after a bloom is reported, which favours fast contact chemistry. PAK 27, a peroxygen algaecide, is labelled for lakes, ponds, aquaculture sites and irrigation canals, and treated water can be used immediately for irrigation or livestock. Field trials at 2.5 mg/L hydrogen peroxide reduced cyanobacteria and microcystin in ponds and allowed edible green algae and diatoms to increase. Quaternary products serve the preventive end in pools, and BioGuard Back Up 2 uses 50% alkyl dimethyl benzyl ammonium chloride, a chemistry covered in the quaternary ammonium compounds report.

• Contact algaecides hold 49.3% in 2026 on post-bloom response work.
• Preventive pool dosing with quats keeps maintenance volumes steady between bloom seasons.

What are the drivers, restraints, and opportunities in the Algaecides Market?

In the algaecides market, earlier and longer bloom seasons raise treatment frequency, copper accumulation and pending EU renewals limit repeat dosing, and low-copper and peroxide programmes for drinking water reservoirs offer the principal commercial opportunity.

• Driver: Earlier cyanobacteria alerts and moderate-to-severe bloom forecasts in lakes and reservoirs.
• Restraint: Copper sediment build-up, discharge permits and drawn-out EU active substance renewals.
• Opportunity: Peroxide and reduced-copper algaecides certified for drinking water supplies.

Earlier bloom seasons

South Korea's first Nakdong alert of 2026 came on 15 May, against 10 July in 2025 [3]. Korea's environment ministry and civic groups began a joint algal toxin survey along the river on 12 June 2026, sampling raw water, air and, for the first time, residents' nasal passages. NOAA's 2026 Lake Erie forecast of 3.5 falls in the moderate band, above the 2.4 recorded in 2025 [2][1]. Treatment calendars stretch accordingly, and integrated programmes increasingly pair algaecides with oxidizers such as those tracked in FMI's peracetic acid report.

Copper accumulation and renewal timelines

Repeat copper dosing builds sediment loads, and permit conditions on treated discharges act as the main brake on copper sulfate volume in sensitive waters. EU renewal reviews for copper actives are running late; a March 2026 Commission decision extended the approval timeline for a related copper biocide product type, and algaecide-specific (product-type 2) copper reviews face similar delays. Extended timelines keep products on shelf but delay investment in new copper registrations.

Low-copper and peroxide programmes

BioSafe's VitriBlü, launched in June 2025, targets nuisance algae and cyanobacteria with reduced elemental copper. SEPRO markets PAK 27 with NSF/ANSI 60 certification for drinking water supplies and OMRI listing for organic use, and states that irrigation canal use carries no NPDES discharge or monitoring requirement. Peroxide and reduced-copper products are expected to take most new reservoir tenders as utilities face toxin release concerns.

Which country CAGRs are profiled in the Algaecides Market?

Table 5: Country CAGR Comparison for the Algaecides Market (CAGR percentage), 2026 to 2036

Country	CAGR
China	6.0%
United States	5.8%
South Korea	5.5%
Australia and New Zealand	5.4%
Germany	5.2%
United Kingdom	5.1%
Japan	5.0%
France	4.9%
Italy	4.7%

How do country-level CAGRs compare in the algaecides market?

Reservoir dependence and summer bloom frequency set the order. As per the analysis from FMI, China (6.0%), the United States (5.8%) and South Korea (5.5%) lead on large eutrophic lakes, river weirs and public cyanotoxin monitoring. Australia and New Zealand, profiled together as a combined sub-region, (5.4%) follow on drought-linked blooms, Germany (5.2%), the United Kingdom (5.1%) and Japan (5.0%) rank in the middle, and France (4.9%) and Italy (4.7%) grow slowest on mature pool and lake-management bases.

• China treats eutrophic lakes and diversion reservoirs, as warming enlarges bloom area there.
• The United States combines Great Lakes bloom response with a large residential pool base.
• South Korea faces earlier weir alerts on the Nakdong River.
• Murray-Darling storages in Australia keep returning to red alert status.
• Germany manages cyanobacteria risk on a mostly excellent inland bathing water network.
• The United Kingdom contends with repeated Lough Neagh blooms.
• Japan relies on established lake and pond maintenance.
• France applies EU bathing water rules to inland lakes.
• Italy grows on pool upkeep and coastal-region recreational water.

Full report country CAGRs cover: North America; Latin America; Western Europe; Eastern Europe; East Asia; South Asia and Pacific; Middle East and Africa.

Country-wise Analysis

• China leads at a 6.0% CAGR through 2036. Lake Taihu's cumulative bloom area dropped to 2,693 km² in 2023, the lowest since 2003, after more intense blooms between 2016 and 2020, and modelling published in April 2026 projects larger bloom areas under warming, with spring the most responsive season. Nutrient cuts lower the baseline, yet warmer springs bring treatment windows forward.
• The United States is anticipated to expand at 5.8% CAGR through 2036. NOAA forecast a moderate western Lake Erie bloom of 3.5 for 2026, after a mild 2.4 in 2025 [2][1]. The federal recreational reference value of 8 µg/L for microcystins underpins swimming advisories across states.
• South Korea is set for 5.5% CAGR through 2036. The Gangjeong-Goryeong weir section hit 17,014 cells per mL on 15 June 2026, and attention alerts also covered Haepyeong, Chilseo and Mulgeum-Maeri on the Nakdong, as well as Ulsan's Sayeon Lake [3]. A government and civic toxin survey ran through July and August 2026.
• Australia and New Zealand, profiled together as a combined sub-region, are projected to record 5.4% CAGR through 2036. Seven Murray Sunraysia sites were on red alert in May 2026, with Darling River readings of 4.3 million to 5.7 million cells per mL at Pooncarie, Tolarno and above Weir 32.
• Germany's algaecide demand is estimated to grow at 5.2% CAGR through 2036. More than 90% of German inland bathing waters were rated excellent in 2025, so treatment centres on cyanobacteria episodes, which the EEA notes commonly lead to bathing advice.
• FMI models UK algaecide demand rising 5.1% a year to 2036. Lough Neagh recorded 41 confirmed blue-green algae reports from October 2024 to September 2025, peaking at 20 in August.
• Japanese algaecide sales are expected to compound at 5.0% annually to 2036, supported mainly by routine reservoir and garden pond upkeep.
• French demand is modelled at 4.9% annual growth to 2036; under EU rules each bathing water profile needs to assess the risk of cyanobacteria proliferation.
• Italian algaecide demand, the slowest in the set, advances 4.7% annually to 2036, driven largely by pool upkeep and resort water features.

Who are the notable companies in the Algaecides Market?

FMI's company set for algaecides comprises SEPRO Scientific (SePRO Corporation), BioSafe Systems, Solenis, Nalco Water (Ecolab), BioLab (KIK Consumer Products), and Airmax.

Surface water specialists hold most registered lake, canal and reservoir chemistry, pool chemical groups sell copper and quat algaecides through dealers and retail, and industrial water treaters bundle algaecides into cooling programmes. Ownership has consolidated over the past decade. Lonza sold the water care business to Platinum Equity in 2018 for USD 630 million; the unit traded as Sigura with brands including HTH, and Sigura was merged into Solenis in November 2021 as the Pool Solutions division [9][10]. KIK Custom Products bought BioLab, owner of BioGuard and SpaGuard, for USD 315 million, a deal announced in October 2013 and completed in January 2014.

• Surface water and aquatic specialists: SEPRO Scientific (SePRO Corporation), BioSafe Systems, Airmax.
• Pool and spa chemical groups: Solenis, BioLab (KIK Consumer Products).
• Industrial water treatment: Nalco Water (Ecolab).

Competitive Benchmarking: Algaecides Market

Table 6: Competitive Benchmarking for the Algaecides Market (qualitative capability ratings), 2026

Company	Surface Water and Irrigation	Pools and Spas	Industrial Cooling	Reach
SEPRO Scientific (SePRO Corporation)	High	Low	Low	Medium
BioSafe Systems	High	Low	Low	Medium
Solenis	Low	High	Medium	High
Nalco Water (Ecolab)	Low	Low	High	High
BioLab (KIK Consumer Products)	Low	High	Low	Medium
Airmax	Medium	Low	Low	Low

A High rating reflects named, labelled algaecide products for that duty; Medium reflects a narrower line or a generic category listing; Low reflects little direct product evidence. The grid reflects documented capability, not overall market share.

Key Developments in the Algaecides Market

• SEPRO Scientific and Oase agreed a memorandum in October 2026 that brings SeDox Max and SchlixX Plus phosphorus binders to US and Canadian lake and pond managers.
• In July 2026, SEPRO Scientific reported restoring and protecting 637,000 acres and more than 693 billion gallons of water in 2025, against a 2030 goal of 50,000 protected waterbodies.
• In July 2026, SePRO Corporation adopted the SEPRO Scientific name, unifying the water and land divisions.
• In June 2025, BioSafe Systems introduced VitriBlü, an acidified copper algaecide for shoreline and recreational water.

Key Players in the Algaecides Market

Surface Water and Aquatic Specialists

• SEPRO Scientific (SePRO Corporation)
• BioSafe Systems
• Airmax

Pool and Spa Chemical Groups

• Solenis
• BioLab (KIK Consumer Products)

Industrial Water Treatment

• Nalco Water (Ecolab)

Algaecides Market - Report Scope

Table 7: Report Scope for the Algaecides Market (coverage fields and definitions), 2026 to 2036

Coverage field	Report scope
Market breakdown	Chemical type; product form; application; mode of action; end user; distribution channel; region
Quantitative units	USD billion
Market definition	Revenue from registered chemical and biological products sold to kill or prevent algae and cyanobacteria in surface water bodies, swimming pools and spas, aquaculture, agricultural irrigation, and industrial cooling and process water. Excludes general water treatment chemicals not labelled for algae control, phosphorus binders and sediment treatments sold without an algaecide claim, unregistered formulations, and UV, ultrasonic or mechanical algae removal equipment.
Regions covered	North America; Latin America; Western Europe; Eastern Europe; East Asia; South Asia and Pacific; Middle East and Africa
Countries covered	China; United States; South Korea; Australia and New Zealand; Germany; United Kingdom; Japan; France; Italy
Key companies profiled	SEPRO Scientific (SePRO Corporation); BioSafe Systems; Solenis; Nalco Water (Ecolab); BioLab (KIK Consumer Products); Airmax
Forecast period	2026 to 2036
Approach	A hybrid bottom-up and top-down model, built to reconcile treated water area and dosing frequency by application with supplier revenue within the defined revenue boundary.

Algaecides Market - Research Methodology

Table 8: Research Methodology for the Algaecides Market (research methods and approach), 2026 edition

Method	Approach
Primary Research	Interviews with lake management contractors, water utility, irrigation district, aquaculture, pool service and algaecide manufacturing professionals.
Desk Research	Product labels and registrations, regulator bloom monitoring data, company releases and trade publications.
Market Sizing and Forecasting	Treated area, dosing frequency and price per treatment by application, reconciled with supplier revenue by country.
Data Validation	Triangulation of primary inputs, registration records and bloom data, with analyst review of outliers.

Algaecides Market by Segments

Algaecides Market segmented by Chemical Type:

• Copper Sulfate
• Chelated Copper Complexes
• Peroxide-based Oxidizers
• Quaternary Ammonium Compounds
• Dyes and Colorants
• Others

Algaecides Market segmented by Product Form:

• Liquid
• Granular and Crystal
• Pellet and Tablet

Algaecides Market segmented by Application:

• Surface Water Bodies
• Swimming Pools and Spas
• Aquaculture
• Agricultural Irrigation
• Industrial Cooling and Process Water

Algaecides Market segmented by Mode of Action:

• Contact
• Sustained-release and Residual
• Preventive Maintenance Dosing

Algaecides Market segmented by End User:

• Municipal and Public Water Authorities
• Industrial Operators
• Commercial and Recreational Facility Operators
• Agricultural and Aquaculture Producers
• Residential Consumers

Algaecides Market segmented by Distribution Channel:

• Institutional Sales
• Retail Stores
• Online Sales

Algaecides Market by Region

• North America
  • United States
  • Canada
• Latin America
  • Brazil
  • Mexico
  • Argentina
  • Chile
• Western Europe
  • Germany
  • France
  • United Kingdom
  • Italy
  • Spain
  • Benelux
  • Nordics
• Eastern Europe
  • Poland
  • Czech Republic
  • Romania
  • Hungary
• East Asia
  • China
  • Japan
  • South Korea
• South Asia and Pacific
  • India
  • ASEAN
  • Australia and New Zealand
• Middle East and Africa
  • GCC Countries
  • South Africa
  • Türkiye
  • Israel

Research Sources and Bibliography

• [1] NOAA National Centers for Coastal Ocean Science. (2025, December 5). Lake Erie's summer harmful algal bloom season came to an end in late October. https://coastalscience.noaa.gov/?p=118657
• [2] NOAA National Centers for Coastal Ocean Science. (2026, June 25). Moderate harmful algal bloom predicted for western Lake Erie in summer 2026. https://coastalscience.noaa.gov/?p=123543
• [3] SBS Star. (2026, June 17). Early summer heat triggers algal blooms; Nakdong River under 'caution' alert. https://sbsstar.net/article/N1008614403/early-summer-heat-triggers-algal-blooms-nakdong-river-under-caution-alert
• [4] U.S. Environmental Protection Agency. (2015, March 16). BioGuard Banish swimming pool algaecide, EPA Reg. No. 5185-474, accepted label. https://www3.epa.gov/pesticides/chem_search/ppls/005185-00474-20150316.pdf
• [5] U.S. Environmental Protection Agency. (2022, March 23). Captain Liquid Copper Algaecide, EPA Reg. No. 67690-9, accepted label. https://www3.epa.gov/pesticides/chem_search/ppls/067690-00009-20220323.pdf
• [6] University of Arkansas System Division of Agriculture, Water Currents. (2019, April 17). Study shows novel way to manage harmful algal blooms and toxins in ponds. https://watercurrents.uada.edu/study-shows-novel-way-to-manage-harmful-algal-blooms-and-toxins-in-ponds/
• [7] European Commission. (2025, March 5). Commission Implementing Decision (EU) 2025/432 postponing the expiry date of the approval of copper sulphate pentahydrate for use in biocidal products of product-type 2. https://eur-lex.europa.eu/eli/dec_impl/2025/432/oj/eng
• [8] European Chemicals Agency. (n.d.). Biocidal products regulation: product-types. https://echa.europa.eu/regulations/biocidal-products-regulation/product-types
• [9] Water Online. (2019, December 1). Innovative Water Care launches Sigura, a global leader in water care solutions. https://www.wateronline.com/doc/innovative-water-care-launches-sigura-aglobal-leader-in-water-care-solutions-0001
• [10] Platinum Equity. (2021, November 9). Platinum Equity completes acquisition of water treatment company Solenis. https://www.platinumequity.com/news/platinum-equity-completes-acquisition-of-water-treatment/
• [11] Murray Sunraysia Regional Algal Coordinating Committee, published by Balranald Shire Council. (2026, May 8). Murray Sunraysia RACC combined report. https://balranald.nsw.gov.au/wp-content/uploads/2026/05/Murray-Sunraysia-RACC-Combined-Report-08-05-2026.pdf
• [12] Pool Corporation. (2026, February 19). Pool Corporation reports year end and fourth quarter 2025 results; provides 2026 earnings guidance. https://ir.poolcorp.com/pool-corporation-reports-year-end-and-fourth-quarter-2025-results-provides-2026-earnings-guidance/
• [13] SEPRO Scientific. (2026, July 7). SePRO Corporation becomes SEPRO Scientific, reflecting science-led leadership and environmental stewardship. https://www.seproscientific.com/news-insights/sepro-corporation-becomes-sepro-scientific-reflecting-science-led-leadership-and-environmental-stewardship
• [14] SEPRO Scientific. (2026, October 6). SEPRO Scientific announces strategic technology partnership with Oase, expanding surface water solutions. https://www.seproscientific.com/newsroom-media/sepro-scientific-announces-partnership-with-oase-expanding-surface-water-solutions
• [15] BioSafe Systems. (2025, June 6). BioSafe Systems introduces VitriBlü. https://biosafesystems.com/?p=17368
• [16] SEPRO Scientific. (n.d.). PAK 27 algaecide. https://www.seproscientific.com/products/water/pak-27
• [17] Tractor Supply Co. (n.d.). Airmax Algae Defense pond algae treatment, 1 gal. https://www.tractorsupply.com/tsc/product/pond-logic-algae-defense-1262028
• [18] Department of Agriculture, Environment and Rural Affairs (Northern Ireland). (2025, November). Confirmed blue-green algae reports from Lough Neagh, October 2024 to September 2025. https://www.daera-ni.gov.uk/sites/default/files/2025-11/DAERA%2025-576%20-%20Annex%20A%20-%20BGA%20reports%20from%20Lough%20Neagh%20October%202024%20to%20October%202025.pdf
• [19] U.S. Environmental Protection Agency. (2019, May 22). EPA issues recommendations for recreational water quality criteria and swimming advisories for cyanotoxins. https://19january2025snapshot.epa.gov/newsreleases/epa-issues-recommendations-recreational-water-quality-criteria-and-swimming-advisories
• [20] Food and Agriculture Organization of the United Nations. (2024, June 7). FAO Report: Global fisheries and aquaculture production reaches a new record high. https://www.fao.org/newsroom/detail/fao-report-global-fisheries-and-aquaculture-production-reaches-a-new-record-high/en
• [21] SEPRO Scientific. (n.d.). Cutrine Plus algaecide. https://www.seproscientific.com/products/water/cutrine-plus
• [22] U.S. Environmental Protection Agency. (2013, August 14). GC Pro, EPA Reg. No. 70299-15, master label. https://www3.epa.gov/pesticides/chem_search/ppls/070299-00015-20130815.pdf
• [23] Wang, D., Wang, J., Meng, S., Li, X., and Yu, Z., Water (MDPI). (2026, April 29). Remote sensing and U-Net-based prediction of cyanobacterial bloom responses to warming in Lake Taihu. https://www.mdpi.com/2073-4441/18/9/1065
• [24] European Environment Agency. (2026, June 16). European bathing water quality in 2025. https://www.eea.europa.eu/en/analysis/publications/european-bathing-water-quality-in-2025
• [25] Leisure Time Inc. (n.d.). BioGuard Back Up 2 algaecide. https://leisuretimeinc.com/collections/spas-pools/products/bioguard-back-up-2-algaecide
• [26] The Herald Business. (2026, June 26). Ministry, civic groups launch joint algal toxin survey at Nakdong River bloom sites. https://biz.heraldcorp.com/article/10789147
• [27] European Commission. (2026, March 19). Commission Implementing Decision (EU) 2026/619 postponing the expiry date of the approval of copper (II) oxide for use in biocidal products of product-type 8. https://eur-lex.europa.eu/eli/dec_impl/2026/619/oj/eng/pdf
• [28] InDaily. (2025, July 22). More millions for algal bloom support package. https://www.indailysa.com.au/news/just-in/2025/07/22/more-millions-for-algal-bloom-support-package
• [29] Pool & Spa News. (2018, November 19). Lonza sells water care business. https://www.poolspanews.com/?p=26308
• [30] AQUA Magazine. (2013, October 11). BioLab acquired by KIK Custom Products. https://www.aquamagazine.com/news/manufacturer-news/article/15119113/biolab-acquired-by-kik-custom-products
• [31] SEPRO Scientific. (2026, July 28). SEPRO Scientific reports restoration of 637,000 acres and protection of more than 693 billion gallons of water in 2025. https://www.seproscientific.com/newsroom-media/sepro-scientific-reports-restoration-of-637-000-acres-and-protection-of-more-than-693-billion-gallons-of-water-in-2025
• [32] Ecolab. (n.d.). Cooling water treatment. https://www.ecolab.com/solutions/cooling-water-treatment
• [33] Innovative Water Care. (n.d.). HTH pool care algaecides. https://hthpools.com/collections/algaecides
• [34] SEPRO Scientific. (n.d.). Clearigate algaecide and herbicide. https://www.seproscientific.com/products/water/clearigate

This Report Answers

• How big is the algaecides market during 2026?
• What value is projected by 2036?
• Which chemical type leads by share?
• Which product form leads by share?
• Which countries show the fastest growth?
• Which companies lead the market?