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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.

Ammonium thiosulfate is a clear liquid fertilizer supplying both nitrogen and sulfur, essential nutrients for plant growth and protein synthesis. It is often used as a sulfur supplement in cropping systems and as a stabilizer for nitrogen fertilizers. ATS also aids in improving nitrogen use efficiency by reducing volatilization.

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.

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.

Dipotassium phosphate is an inorganic, highly water-soluble salt that supplies two essential plant nutrients: potassium and phosphorus, in an immediately available form. Its low chloride content and high purity make it ideal for sensitive crops, hydroponics, and fertigation. It also serves as a buffering agent, helping stabilize nutrient solutions and enhance uptake efficiency.

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.

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.

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.

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.

Potassium acetate is the potassium salt of acetic acid, appearing as a white crystalline powder or granule with excellent water solubility. In agriculture, it is used as a highly efficient potassium source for foliar application, offering faster absorption than traditional potassium fertilizers. It is valued for its low salt index and minimal impact on soil health.

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 formate is a potassium salt of formic acid with excellent water solubility. It is primarily known for its use in deicing, but in agriculture, it can be applied as a specialized potassium source. It is particularly valued in liquid formulations where fast nutrient availability is required.

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%.

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.

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.

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.