## Optimize Your Operations with Our Proprietary Water Treatment Chemicals **Our Hydrex® water treatment chemicals are specially developed to help you optimise the performance of your utility systems and protect your water assets. Whether you're managing heavy industrial chemicals for water treatment or ensuring stable operations in process water, our solutions are tailored to your specific conditions.** **We help you achieve production continuity, regulatory compliance, and cost-effectiveness—across all applications, including** [**municipal water treatment**](https://www.asia.veoliawatertechnologies.com/en/core-markets/municipal)**. All Hydrex chemicals are rigorously tested and approved by global industry and government standards, so you can trust you're using the best.** [CONTACT US TO FIND OUT HOW WE CAN HELP](https://www.veoliawatertechnologies.com/en/contact-web2lead) **Hydrex features over 3,000 formulations** including both organic and inorganic chemicals designed to protect water treatment systems against scale deposition, corrosion, fouling and biological problems. All of these formulations meet the most stringent **requirements of industrial and municipal clients all around the world.**  ## A brand you can trust **Choosing the Hydrex brand means:**  A guarantee of quality backed by full-capacity lab-testing compliant with national and international regulations: checking of raw materials, purity analysis, strict quality control, storage of samples for all production batches, etc.  A certified expertise in the supply of chemicals for water treatment through a global network of blending facilities and partners, ensuring a fast delivery worldwide.  A priority focus on risk and compliance: safety data sheets, market approvals and compliance statements to all existing and upcoming regulations (e.g. REACH, Biocidal Products Regulation (BPR), Global Harmonized System (GHS), etc.).  A focus on research and development to formulate non-hazardous, more environmentally friendly products. In addition to chemical products, we combine the expertise of technical teams, onsite services and a full line of automated systems and digital tools to efficiently feed the selected chemicals and **monitor their performance**. [LEARN MORE ABOUT OUR WATER TREATMENT CHEMICAL PROGRAMS](/en/services/water-treatment-chemical-programs)  ## A comprehensive range of products to suit our chemical water treatment needs Whether you're managing municipal infrastructure or supporting production across Southeast Asia’s industrial sectors, our industrial water treatment chemicals are formulated to meet your specific challenges. The Hydrex range, from the 1000 to 4000 series, includes targeted solutions for chemical treatment of wastewater, sludge conditioning, membrane protection, and clean-in-place (CIP) systems. [  ](/en/chemicals-boiler-water-treatment)[Boiler water treatment (Hydrex 1000 Series)](/en/chemicals-boiler-water-treatment) ### [Boiler water treatment (Hydrex 1000 Series)](/en/chemicals-boiler-water-treatment) [  ](/en/services/chemicals-cooling-water-treatment)[Cooling tower water treatment (Hydrex 2000 Series)](/en/services/chemicals-cooling-water-treatment) ### [Cooling tower water treatment (Hydrex 2000 Series)](/en/services/chemicals-cooling-water-treatment) [  ](/en/chemicals-drinking-water-treatment)[Drinking water production (Hydrex 3000 Series) ](/en/chemicals-drinking-water-treatment) ### [Drinking water production (Hydrex 3000 Series) ](/en/chemicals-drinking-water-treatment) [  ](/en/chemicals-membrane-treatment)[Membrane treatment / desalination (Hydrex 4000 Series) ](/en/chemicals-membrane-treatment) ### [Membrane treatment / desalination (Hydrex 4000 Series) ](/en/chemicals-membrane-treatment) [  ](/en/chemicals-systems-maintenance-and-cleaning)[Maintenance and cleaning chemicals (Hydrex 5000 Series)](/en/chemicals-systems-maintenance-and-cleaning) ### [Maintenance and cleaning chemicals (Hydrex 5000 Series)](/en/chemicals-systems-maintenance-and-cleaning) [  ](/en/wastewater-treatment-chemicals)[Effluent and sludge treatment.(Hydrex 6000 Series)](/en/wastewater-treatment-chemicals) ### [Effluent and sludge treatment.(Hydrex 6000 Series)](/en/wastewater-treatment-chemicals) [  ](/en/biocide-chemicals)[Biocidal water treatment (Hydrex 7000 Series)](/en/biocide-chemicals) ### [Biocidal water treatment (Hydrex 7000 Series)](/en/biocide-chemicals) [  ](/en/chemical-treatment-industrial-processes)[Industrial processing applications (Hydrex 8000 Series)](/en/chemical-treatment-industrial-processes) ### [Industrial processing applications (Hydrex 8000 Series)](/en/chemical-treatment-industrial-processes) [  ](/en/chemicals-specific-conditioning-treatment)[Specific chemical treatment applications (Hydrex 9000 Series)](/en/chemicals-specific-conditioning-treatment) ### [Specific chemical treatment applications (Hydrex 9000 Series)](/en/chemicals-specific-conditioning-treatment) [  ](/en/vegetal-based-coagulants-wastewater-treatment)[Plant-based Coagulants](/en/vegetal-based-coagulants-wastewater-treatment) ### [Plant-based Coagulants](/en/vegetal-based-coagulants-wastewater-treatment) ## Targeted Chemical Treatment for All Water Applications Our Hydrex® range of water treatment chemicals is engineered to support a wide range of applications—from drinking water production and stormwater management to sludge treatment, cooling systems, and membrane processes. Whether used in chemical treatment of wastewater or to stabilise high-purity systems like [deionized water](https://www.asia.veoliawatertechnologies.com/en/solutions/services/service-deionization), Hydrex® delivers consistent, compliant results. These chemicals used in water treatment are formulated to optimise system performance, extend asset lifespan, and support strict operational requirements across Southeast Asia’s industrial and urban sectors. From ensuring hygienic processing in [water for food production](https://www.asia.veoliawatertechnologies.com/en/core-markets/food-beverage), to enabling smarter reuse strategies with [wastewater treatment solutions](https://www.asia.veoliawatertechnologies.com/en/applications/wastewater), Hydrex®can be seamlessly integrated into both standalone systems and advanced [water treatment modules](https://www.asia.veoliawatertechnologies.com/en/solutions/modular-solutions), providing you with cost-effective, tailored chemical conditioning wherever it’s needed most. [  ](https://www.veoliawatertechnologies.com/asia/#)[Condensate recovery](https://www.veoliawatertechnologies.com/asia/#) ### [Condensate recovery](https://www.veoliawatertechnologies.com/asia/#) [  ](/en/applications/veolia-water-technologies-supplies-world-drinking-water)[Drinking water](/en/applications/veolia-water-technologies-supplies-world-drinking-water) ### [Drinking water](/en/applications/veolia-water-technologies-supplies-world-drinking-water) [  ](/en/applications/groundwater-treatment)[Groundwater treatment](/en/applications/groundwater-treatment) ### [Groundwater treatment](/en/applications/groundwater-treatment)  Odour management ### Odour management  Pretreatment ### Pretreatment [  ](/en/expertise/applications/process-water-0)[Process water](/en/expertise/applications/process-water-0) ### [Process water](/en/expertise/applications/process-water-0) [  ](/en/applications/produced-water-treatment)[Produced water](/en/applications/produced-water-treatment) ### [Produced water](/en/applications/produced-water-treatment) [  ](/en/applications/seawater-desalination)[Seawater desalination](/en/applications/seawater-desalination) ### [Seawater desalination](/en/applications/seawater-desalination) [  ](/en/applications/sludge-treatment)[Sludge treatment](/en/applications/sludge-treatment) ### [Sludge treatment](/en/applications/sludge-treatment) [  ](/en/applications/stormwater-management-archived)[Stormwater management](/en/applications/stormwater-management-archived) ### [Stormwater management](/en/applications/stormwater-management-archived) [  ](/en/applications/utility-feed-water-archived)[Utility feed water](/en/applications/utility-feed-water-archived) ### [Utility feed water](/en/applications/utility-feed-water-archived)  Waste-to-energy water treatment ### Waste-to-energy water treatment [  ](/en/applications/reuse)[Wastewater recovery and reuse](/en/applications/reuse) ### [Wastewater recovery and reuse](/en/applications/reuse) [  ](https://www.veoliawatertechnologies.com/en/applications/wastewater)[Wastewater and sewage treatment](https://www.veoliawatertechnologies.com/en/applications/wastewater) ### [Wastewater and sewage treatment](https://www.veoliawatertechnologies.com/en/applications/wastewater)