Hardman Water Treatment Chemicals have long been considered the leading brand in water treatment chemicals and are trusted with delivering Australia cleaner drinking water.

This unique range of products, based on Advanced ACH Technology, has been developed by Hardman Chemicals over many years of research and development and has been undertaken in order to solve challenges brought to them by their customers.

In 2020 Hardman Chemicals became part of the DGL Group and changed its name to DGL Manufacturing. As a result, the future looks bright with greater resources and DGL Manufacturing will continue to develop world class industry leading products.


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DGL Corporation is a diversified industrial group of companies operating across Australia and New Zealand, as well as internationally. We are comprised of three business units: DGL Manufacturing, DGL Warehousing & Distribution and DGL Environmental.  

To learn more about DGL click here