Aluminium Sulphate

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Aluminium Sulphate

Shop aluminium sulphate for water treatment and garden applications, including Redox powder in bulk 25kg bags. Aluminium sulphate acts as a coagulant, helping fine suspended particles clump together for removal during water clarification. The range also includes Manutec and Yates garden treatments for hydrangea blueing. Choose a product with specifications suited to your intended use.

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Aluminium sulphate for water treatment

Aluminium sulphate is used in water treatment to help remove fine suspended particles that cause cloudiness. It acts as a coagulant, allowing these particles to form larger clumps, known as floc, which can then be separated through settling and filtration.

For bulk powder requirements, view the Redox Aluminium Sulphate Powder 25kg listing. Confirm that the product specification meets the requirements of your treatment system before use. The required dose depends on water quality, pH and the treatment process.

Choosing the right product

  • Redox Aluminium Sulphate Powder 25kg: bulk non-ferric powder for applications requiring this specification. Check suitability for your particular water-treatment process.
  • Manutec Aluminium Sulphate 2.5kg: a garden treatment for blue hydrangeas and maintaining acidic soil conditions.
  • Yates Liquid Aluminium Sulphate 500mL: a liquid hydrangea blueing treatment for dilution and application according to the label.

Garden formulations should not be assumed suitable for treating drinking water, pools, ponds or water used by animals. Select the appropriate product grade for the application.

Frequently asked questions

How does aluminium sulphate help clarify water?

It helps fine suspended particles bind together into larger clumps that are easier to remove through settling and filtration. Clarification is one stage of treatment and does not replace disinfection where that is required.

How much aluminium sulphate is needed for water treatment?

There is no single dose suitable for every application. The amount depends on the product concentration, water pH, alkalinity and level of suspended material. Follow the treatment system's guidance and determine the appropriate dose through water testing and, where required, jar testing.

Can I use any aluminium sulphate product for drinking water?

No. Drinking-water treatment requires a product that meets the relevant specifications for that purpose. Confirm suitability with the supplier before purchase; the chemical name alone does not establish that a product is suitable.