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Sodium hypochlorite is a widely used oxidizer and bleaching agent known for its strong sanitizing properties. It effectively kills bacteria, viruses, and fungi, making it a critical chemical in sanitation and water treatment systems. In industrial settings, it’s used to whiten textiles, treat wastewater, and clean processing equipment. Its versatility and fast-acting nature make it one of the most relied-upon solutions for disinfection and oxidation.

Aluminium Chloride is a versatile inorganic salt used in water treatment, chemical manufacturing, and specialty industrial applications. It is valued for its reactivity, treatment performance, and usefulness as an intermediate in a variety of processes. Its broad functionality makes it a practical chemistry for both treatment and manufacturing needs.

Aluminum Sulfate is a common coagulant used in water treatment, paper manufacturing, and industrial clarification processes. It is valued for its effectiveness in reducing turbidity, improving settling, and supporting cleaner system performance. Its proven use in treatment operations makes it a dependable process chemical.

Ammonium Hydroxide is an aqueous ammonia solution used for pH control, cleaning, and chemical processing. It is valued for its fast neutralization, alkaline strength, and versatility across industrial and water treatment applications. Its liquid form supports easy handling and dosing in a range of operating environments. Hawkins manufactures any concentration of Ammonium Hydroxide less than 34.5%.

Ammonium Propionate is a preservative and antimicrobial salt used in food, feed, and specialty formulations. It is valued for helping extend shelf life and support product stability in moisture-sensitive systems. Its functionality and handling profile make it useful in a range of regulated and industrial applications.

Ammonium Sulfate is a nitrogen- and sulfur-containing salt widely used in agriculture, industrial processing, and specialty formulations. It is valued for supplying nutrients, improving performance in blends, and supporting a wide variety of crop and process needs. Its dependable handling and broad usefulness make it a practical product across several markets.

Bleach (Azone) is a clear, pale yellow aqueous solution of sodium hypochlorite, widely used for its powerful disinfecting, whitening, and oxidizing properties. It is a highly effective, fast‑acting chemical used in household, commercial, and industrial applications for cleaning, sanitation, and water treatment. Bleach (Azone) works by releasing active chlorine, which destroys bacteria, viruses, fungi, and other microorganisms and breaks down organic stains. It is valued for its reliability, affordability, and broad-spectrum performance. Hawkins manufactures bleach, both EPA-reg and non-EPA-reg, up to 20%.

Calcium Chloride is a highly soluble inorganic salt used in deicing, dust control, food processing, and industrial operations. It is valued for its hygroscopic nature, fast dissolution, and ability to perform across a wide range of environmental conditions. Its versatility makes it a common solution in both seasonal and year-round applications.

Calcium nitrate is a highly soluble fertilizer that provides calcium and nitrate nitrogen in immediately available forms. It is widely used to prevent and correct calcium deficiencies in crops, which are critical for cell wall development and fruit quality. It is especially beneficial in high-value horticultural crops.

Sodium hydroxide, commonly known as caustic soda, is a strong base used to neutralize acids and control pH in various water treatment processes. It’s essential for cleaning and degreasing applications, where it dissolves fats, oils, and organic materials. In manufacturing, caustic soda plays a key role in producing soaps, paper, textiles, and other chemicals. Its high reactivity and ability to efficiently balance acidity make it a staple in water treatment and production environments.

Chlorine is a strong oxidizing agent used globally for disinfection and chemical production. It effectively kills bacteria, viruses, and other pathogens in drinking water and wastewater systems. Beyond sanitation, it’s a building block for producing plastics (like PVC), solvents, and other industrial chemicals. Its ability to provide safe, scalable disinfection has made chlorine one of the most critical chemicals for public health.

Citric acid is a naturally occurring organic acid found in citrus fruits and used in a wide variety of industries. In water treatment, it helps clean membranes and remove mineral buildup without toxic residues. In food, citric acid is used for acidulation, color stability, microbial control, flavor enhancement, and preservation in beverages, confectionery, and sauces.

Hawkins’ Coagulant Solutions include a comprehensive line of inorganic and organic-based coagulants, featuring aluminum chlorohydrate (ACH), polyaluminum chloride (PACl), rare earth coagulants and ferric-based formulations. These products are designed to improve clarification, turbidity removal, and suspended solids reduction in both surface and groundwater applications. Our blended options combine the benefits of multiple chemistries, providing enhanced performance and flexibility for variable raw water conditions. Each coagulant is supported by expert technical guidance to ensure optimal performance and cost efficiency.

Corrosion inhibitors are chemical compounds that slow or prevent the oxidation and degradation of metal surfaces. They work by forming a thin protective film or by chemically reacting with corrosive agents in the system. In water treatment, they’re vital for extending the lifespan of piping, heat exchangers, and storage tanks. Different formulations are tailored for system type, metallurgy, and water chemistry to ensure reliable protection.

Diammonium phosphate is a widely used granular fertilizer that provides both nitrogen and phosphorus, two critical macronutrients for plant growth. It dissolves readily in soil moisture, delivering nutrients quickly to developing plants. DAP also helps promote early root development and improves flowering and fruiting in crops.

Ferric Chloride is an iron-based coagulant widely used in water and wastewater treatment applications. It is valued for its effectiveness in phosphorus removal, solids reduction, and improved clarification performance. Its proven treatment results make it a dependable chemistry for municipal and industrial systems.

Formic acid is a colorless, pungent liquid organic acid that occurs naturally in many organisms. It’s used in agriculture to preserve animal feed and control microbial growth. In industry, it’s applied in leather tanning, rubber coagulation, and textile finishing. Its combination of biodegradability, antimicrobial activity, and acidity make it valuable in both agricultural and manufacturing contexts.

Hydrochloric acid is a powerful, highly corrosive acid used to adjust pH and remove mineral deposits in a range of industries. In water treatment, it helps control alkalinity, corrosion, and maintain proper system balance. Its effectiveness in dissolving calcium carbonate and other deposits makes it indispensable for cleaning and chemical production applications.

Hydrofluosilicic Acid is an inorganic acid used primarily in water treatment and fluoridation applications. It is valued for its effectiveness, consistency, and compatibility with systems. Its established use in municipal and industrial treatment programs makes it an important specialized water treatment chemical.

Aseptic Grade Hydrogen Peroxide is a high-purity hydrogen peroxide solution specifically manufactured for aseptic packaging and sterilization applications in the food, beverage, dairy, and pharmaceutical industries. It is used to sterilize packaging materials, containers, and processing equipment by effectively eliminating microorganisms, including bacteria, yeasts, molds, and spores. Aseptic grade hydrogen peroxide decomposes into water and oxygen, leaving no harmful residues and making it an environmentally responsible sterilization solution. Its exceptional purity, consistent quality, and validated performance help support product safety, extended shelf life, and compliance with stringent regulatory and manufacturing standards.

Hydrogen peroxide is a strong oxidizing agent used for microbial control and bleaching in food production. It is commonly applied in aseptic packaging systems and equipment sanitation, breaking down into water and oxygen without leaving harmful residues.

The WaterSurplus ImpactRO is a steady-state, high recovery reverse osmosis (RO) platform engineered to maintain stable permeate quality under variable feedwater conditions. It is available in 40 GPM to 900 GPM skids. In operational environments, ImpactRO is designed to support recoveries that approach the upper limits of RO process feasibility, while reducing fouling-related interventions and unplanned downtime by as much as 75%. The resulting reduction in chemical cleanings and hydraulic stress can extend membrane service life by up to a factor of two, contributing to improved reliability and lower lifecycle operating costs. Intelligent Interventions: NanoStack Coated Membranes NSF/ANSI/CAN 61 certified hydrophilic coating provides exceptional resistance to scaling and fouling while enhancing cleanability, permeate quality, and long-term membrane durability, and can be applied to any polymeric membrane element. (See separate datasheet.) NanoScope Direct Membrane Monitor High-resolution performance monitoring with predictive analytics enables operators to track RO performance at previously imperceptible levels to predict, prevent, and reverse membrane fouling. Feed-Forward Design Advanced flow balancing distributes flux more evenly across all RO stages—reducing first-stage fouling and third-stage scaling—to support higher recovery and electrical efficiency. Micro-Disruptions Intermittent bursts of water that clean membranes online during operation by disrupting the concentration polarization layer in the third stage. Intermittent Variable Recovery Dynamic recovery control adjusts system recovery in response to changing feedwater conditions, optimizing performance over time and reducing the risk of major fouling events. Single-Point Parallel CIP Simplified offline cleaning allows the operator to clean all stages of the RO at once or to clean each stage independently.

Lactic acid is an organic acid produced naturally through fermentation processes or synthetically for industrial use. In agriculture, it can act as a pH adjuster, chelating agent, and microbial growth regulator. Its biodegradability and compatibility with other ingredients make it a versatile component in crop protection and nutrient formulations.

Magnesium Chloride is a soluble inorganic salt used in deicing, dust control, water treatment, and specialty industrial applications. It is valued for its performance at low temperatures, ease of application, and broad utility in liquid and dry systems. Its dependable handling and effectiveness make it a versatile treatment and process chemistry.

Concentrated magnesium chloride solution used as a mineral source and functional ingredient in pharmaceutical and nutraceutical applications. It supports electrolyte balance formulations and serves as a processing aid where magnesium supplementation is required. The liquid format enables efficient blending and consistent dosing during manufacturing.

NanoStack Coated Membrane Elements are a family of low-fouling RO elements incorporating an NSF/ANSI/CAN 61-certified, bio-inspired surface modification that exhibits superior hydrophilic properties. The result is a reduction in foulant adhesion, allowing the normal cross-flow velocity of the feed water to sweep unwanted contaminants more easily to drain. nanoStack's active membrane surface area resists irreversible fouling, achieving full flux recovery during normal operation or after offline cleaning. NanoStack chemistry can be applied to any polymeric element or module.

Nitric acid is a corrosive and reactive acid used for oxidation, nitration, and metal etching processes. It’s a key raw material in the production of ammonium nitrate fertilizers. In electronics and metal finishing, it’s used to clean, polish, and passivate metal surfaces. Its oxidizing power makes it essential for high-performance chemical manufacturing and is widely used in metal refining, etching, and chemical synthesis.

OxiPlus12™ is an NSF/ANSI/CAN-61 certified catalytic media used to remove soluble iron, manganese, hydrogen sulfide, arsenic, and radium from groundwater. The media consists of a silica sand core coated with manganese dioxide (MnO2). The combination allows the media to catalyze the oxidation-reduction reaction of iron and manganese while tolerating water that is low in silica, TDS, and hardness without breaking down. OxiPlus12 is an ideal choice for retrofitting existing sand/anthracite and greensand filtration systems. OxiPlus12 is manufactured with a minimum 12% MnO2 coating vs 4.5-5% for competitive products. This results in longer run times between backwashing events, thus reducing system downtime and water to drain. Additionally, OxiPlus12 is produced in a mesh size of 18x45 rather than 18x60, significantly reducing the quantity of media sent to drain during the initial start-up of the system.

OxiPlus75™ is a highly effective media for the removal of iron, manganese, arsenic, radium and hydrogen sulfide. This robust filter media has proven highly successful in municipal and industrial pretreatment applications where manganese is in the water. These catalytic particles allow for higher flow rates, smaller filters, and economical treatment systems. OxiPlus75 works best for new filtration applications based on its high bulk density. For media replacement/retrofits, consider OxiPlus12. Reduced system footprint sizes due to the catalytic properties of OxiPlus75 allow for high filter loading rates while maintaining high treatment efficiency. High volume backwash rates result in reduction in total backwash volumes as compared to standard sand-anthracite or greensand applications. OxiPlus75 is NSF/ANSI/CAN-61 Certified and highly effective in drinking water applications. Long media life allows for economical water treatment operation. When used with an oxidant such as sodium hypochlorite, longterm performance and capability of the media is maintained.

Phosphoric acid is an acid used in both industrial and food-grade applications. It is often added to drinking water to form a protective layer on pipes, which helps to prevent the release of lead and copper into the water supply. Its relatively low corrosiveness and wide functionality make it an ideal acid for multi-industry applications.

High‑purity phosphoric acid commonly used as a pH adjuster and buffering agent in pharmaceutical and nutraceutical manufacturing. It supports controlled formulation environments where consistent acidity and chemical stability are critical. This material is also used as an intermediate in synthesis processes and excipient preparation requiring reliable performance and purity. NF Grade.

Potassium carbonate is a white, water-soluble salt used as a source of potassium in agriculture. It has strong alkalinity, making it useful for pH adjustment in nutrient solutions. Its high potassium content supports plant health, improves stress tolerance, and enhances overall crop quality.

Potassium Carbonate is an alkaline salt used in food processing, specialty glass, pH control, and chemical manufacturing. It is valued for its solubility, buffering ability, and reliable performance across a variety of formulations. Its usefulness in both technical and regulated markets makes it a versatile product offering.

Liquid Potassium Formate is a high-purity solution manufactured by Hawkins for use in demanding industrial applications where high solubility, low corrosivity, and consistent performance are required. It is widely used in industries including deicing, forage preservation, and oilfield applications. Known for its excellent thermal and chemical stability, potassium formate can significantly extend polymer thermal stability at higher concentrations.

Potassium Hydroxide (KOH) is a strong inorganic base used in chemical manufacturing, pH control, and specialty formulations. It offers fast neutralization and high reactivity, making it useful in both liquid and dry applications. Its versatility across industrial, food, and technical markets makes it a valuable building block chemical. Hawkins manufactures any concentration of Potassium Hydroxide less than 50%.

Potassium lactate is a clear, viscous liquid produced by neutralizing lactic acid with potassium hydroxide. While most recognized for its antimicrobial and moisture-retaining properties in food preservation, it can also be used in agriculture for specialized formulations. Its excellent solubility and stability make it suitable for blends aimed at pH control, nutrient delivery, or crop protection.

Propionic Acid is a versatile organic acid used in food, feed, agricultural, and industrial applications for its preservative and antimicrobial properties. It effectively inhibits mold and bacterial growth to help extend shelf life and maintain product quality. Propionic acid is also used as a chemical intermediate and pH control agent in a variety of formulations. Hawkins manufactures propionic acid at concentrations up to 99%.

Propylene Glycol (Chill-Pro) is a clear, low-volatility liquid used as a carrier, humectant, and heat transfer fluid in food, pharmaceutical, and industrial applications. It is valued for its stability, low odor, and compatibility with a wide range of formulations. Its versatility makes it a common ingredient in both regulated and technical markets. Hawkins manufactures any concentration of Propylene Glycol less than 100%, both inhibited and uninhibited.

SandPlus™ is a high flow rate filter media with improved filtration performance when compared to other media. The hardness, stability, uniformity and microporous characteristics all help the media perform well in both water and wastewater applications. While most filtration media filters down to 8–15 micron nominal size, SandPlus can filter down to 3–5 micron particle removal. SandPlus can be used for industrial applications like cooling tower turbidity removal or pretreatment prior to reverse osmosis. It can be used in gravity or pressure filters with lower pressure drops and improved filtration performance. It can also be used in potable and irrigation applications or in storm water or wastewater reuse applications.

Hawkins’ Sequestering Solutions are designed to control and stabilize trace metals commonly found in water systems, such as iron and manganese. These formulations effectively eliminate off-color water issues and prevent discoloration, staining, and scale formation throughout the distribution system. By keeping dissolved metals in solution, our sequestering agents protect infrastructure, enhance water clarity, and improve overall aesthetic quality. Available in a range of formulations, these solutions are tailored to meet the unique chemistry and operational goals of each water system.

Sodium Carbonate, commonly called Soda Ash, is a white, water-soluble salt that plays a key role in adjusting pH and neutralizing acids. It’s a primary ingredient in glassmaking and detergents due to its alkalinity and ability to soften water. In water treatment systems, it’s used to raise pH and maintain stable operating conditions. Its high purity, ease of handling, and chemical stability make it a dependable solution for industrial and municipal applications.

Sodium Bisulfite is a reducing agent used in water treatment, food processing, and industrial manufacturing. It is valued for its ability to neutralize oxidizers, control residual chlorine, and support preservation and process stability. Its dependable reducing performance makes it a useful product in a variety of systems.

Sodium Chloride is a foundational inorganic salt used in food processing, water treatment, industrial operations, and brine systems. It is valued for its availability, solubility, and broad usefulness in formulations and process applications. Its simple chemistry and dependable performance make it one of the most widely used ingredients across industries.

Liquid Sodium Formate is a clear, colorless to slightly yellow aqueous solution designed for easy handling and precise dosing in industrial applications. It offers excellent solubility, consistent performance, and reduced dust exposure compared to solid forms. As an environmentally favorable alternative to chloride-based salts and other harsh chemicals, it is widely used across multiple industries. Sodium Formate solutions also help minimize precipitate formation that can occur when using calcium-based fluids in wells with high free carbonate, bicarbonate, or sulfate concentrations. Hawkins manufactures high-purity liquid Sodium Formate for use in deicing, forage preservation, and oilfield applications.

Sodium Hexametaphosphate is a sequestrant and dispersing agent used in water treatment, food processing, and industrial formulations. It is valued for its ability to bind hardness ions, improve stability, and support clean system performance. Its multifunctional chemistry makes it useful in both technical and regulated applications.

Solid sodium hydroxide pellets used for pH control, neutralization reactions, and chemical synthesis in production. The pellet form allows for accurate dosing and controlled dissolution during processing. It is widely applied in API manufacturing and equipment cleaning processes where strong alkaline performance is required. NF/EP/JP/ACS grades available.

Sodium Hypochlorite USP 4–6% is a pharmaceutical-grade aqueous solution. Manufactured to USP standards, it delivers reliable performance in controlled concentrations suitable for healthcare and pharmaceutical environments. This lower-strength grade allows precise dosing where gentler oxidative action is required. It is produced under strict quality controls to ensure consistency and stability. Standard sizes include: 1 GA BT (4/CA) (Non-EPA Reg.) 5 GA Carboy (Non-EPA Reg.) 55 GA Drum (Non-EPA Reg.) 135 LB Drum (Non-EPA Reg.)

Sodium Phosphate refers to a versatile family of phosphate salts used in food, water treatment, pharmaceuticals, and industrial processing. These products are valued for buffering, sequestration, emulsification, and cleaning performance. Their multifunctional properties make them useful across a broad range of formulations and operating conditions.

Sulfuric acid is an important industrial chemical used in countless manufacturing and refining applications. Its strong acidic and dehydrating properties make it valuable for pH adjustment, chemical synthesis, and metal cleaning. Its versatility and availability make it a cornerstone of modern chemical production. Hawkins offers smelter grade sulfuric at 66° (i.e. 93%), typically used for wastewater neutralization. We also offer burner grade sulfuric at 96% and 93% as well as other dilutions depending on the specific application.

Urea is a high-analysis nitrogen fertilizer containing 46% nitrogen, making it the most concentrated solid nitrogen sources available. It is highly soluble and can be applied directly to soil or used in foliar sprays. Urea is widely favored for its cost-effectiveness and adaptability across different crop types and climates.

WaterPlus multimedia filtration systems are designed for the rigors of industrial and municipal markets for efficiently removing contaminants including iron, manganese, radium, arsenic, PFAS, and other emerging contaminants. These dependable systems were designed using industry leading filtration knowledge and extensive application experience with the OxiPlus line of catalytic filter medial. Optionally, WaterPlus tanks can be produced to meet Build America Buy America (BABA) Act requirements. Each pre-engineered system is custom configured for the specific application including feed water quality and prefered media.