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Municipal Water Treatment

Hydrofluorosilicic Acid - The Smarter Fluoride Alternative

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Clean water is your goal. However, getting water pure enough to drink can be a complex operation. It requires the right set of chemicals to remove contaminants, a consistent, repeatable water purification process and a complete understanding of government regulations. 

With our deep knowledge and understanding of chemical applications and regulatory requirements, Univar Solutions can provide you guidance and expertise to identify the vital chemicals for your water treatment formulation.   Through a team-oriented approach, we offer technical assistance, on-site evaluations and specialized market expertise to address complex water treatment requirements.

Univar Solutions offers solutions for both drinking water and wastewater treatment processes.

Drinking water

Drinking water can be obtained from ground water sources (e.g. wells and aquifers) or from surface water sources (e.g. lakes, rivers or purpose-built reservoirs). The primary aim in water treatment is the elimination of any pathogenic microorganisms so it is safe for consumption. 


Wastewater can be obtained from homes, businesses, and industries and delivered to faculties for treatment before it can be reused. The primary aim in wastewater treatment is to remove particles, suspended solids, organic pollutants, nitrogen and phosphorous using a combination of physical, biological, and chemical processes.


Featured products


We keep popular coagulants like Aluminum Sulfate, Ferric Chloride, and Ferric Sulfate in stock and ready to deliver at one of our more than 320 U.S. distribution centers. If you have a different specification or requirement, we can supply different coagulants.

Hydrofluosilicic acid (HFS)

Hydrofluosilicic acid (HFS or FSA) is a commonly used fluoridation method for treating drinking water. We offer fertilizer-based phosphate produced as a by-product during the processing of phosphates as well high-purity HFS created as a by-product during the processing of high-purity quartz


EarthTec offers efficient and environmentally responsible precipitation of heavy metals in wastewater. It can be used to replace copper sulfate treat unwanted algal blooms in the late spring and throughout the summer.

Our portfolio offers products for many water treatment processes including:

+ Algae/Zebra mussell control
+ Chloramination
+ Coagulants

View coagulants for municipal water treatment.

  • Alum
  • Aluminum chloride
  • Aluminum chlorohydrate
  • Aluminum sulfate
  • Ferric chloride
  • Ferric sulfate
  • Ferrous chloride
  • Ferrous sulfate
  • Inorganic/organic coagulant blends
  • Organic coagulants
  • Polyaluminum chloride
  • Polyamine
  • Sodium aluminate
+ Corrosion inhibitors
  • Blended phosphates
  • Orthophosphates Polyphosphates
  • Potassium phosphates
  • Silicates
  • Sodium phosphates
  • Zinc orthophosphates
  • Zinc polyphosphates
+ Dechlorination
  • Ascorbic acid
  • Bio-Neutralizer®  tablets
  • De-Chlor tablets
  • Sodium bisulfite solution
  • Sodium metabisulfite
  • Sodium sulfite
  • Sodium thiosulfate
  • Sulfur dioxide
+ Defoamers
  • DOW CORNING® silicones and non-silicones
+ Disinfection
  • Bio-Sanitizer® tablets
  • Bleach
  • Chlorine
  • Chlorine tablets
  • Calcium hypochlorite
  • Salt
  • Sodium hypochlorite
+ Filter aids
  • Activated carboon
  • Adsorbents
  • Anthracite
  • Diatomaceous earth
  • Greensand Plus™ 
  • Perlite
+ Flocculant Polymers
+ Fluoridation
+ Nitrification/Denitrification
+ Odor control
+ Oxidation
  • Hydrogen peroxide
  • Liquid permanganate
  • Potassium permanganate
  • Sodium chlorite
  • Sodium permanganate
+ pH adjustment
+ Phosphorous removal
+ RO/ultrafilitration/membrane
  • Antiscalants
  • Antifoulants
  • Biological fouling treatment
  • Biofirm bacterial removal
+ Settling/sludge dewatering
+ Softeners
  • Calcium hydroxide
  • Sodium chloride
  • Salt pellets
+ Miscellaneous
  • Alcohols
  • Calcium chloride
  • Defoamers
  • Dionizer (DI) water
  • Magnesium chloride
  • Mineral oils
  • Resins
  • Vinegar
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