Omyaqua Dol

Natural dolomite chips made from carefully selected raw materials.

Mineralization, pH adjustment and filtration for drinking water

Omyaqua Dol is a highly durable media filter material which promotes iron and manganese removal in drinking water treatment. Low in consumption, it is a cost effective, efficient method of adding magnesium to drinking water whilst removing harmful heavy metals. 

The benefits of Omyaqua Dol 

  • Low consumption, low cost 

  • Durable and abrasion resistant 

  • Adds magnesium to drinking water 

  • Compliant with industry standard EN-1017  

  • Promotes iron and manganese removal 

Not all products are registered for use in all markets. Check with your local Omya representative or email for more information.

Your questions answered

When used in the contact filter, Omyaqua Dol removes undesirable substances such as iron oxide, manganese oxide and heavy metals.


Omyaqua Dol is a durable, abrasion-resistant material made from natural dolomite, which is very effective for iron and manganese removal during the contact process. 

Omyaqua Dol is a low-cost, economic solution which provides alkalinity and buffers the pH of the drinking water.


It provides valuable magnesium ions as well as calcium during the contact process. 

The Omyaqua range includes Omyaqua, Omyaqua Boost, Omyaqua Pure, Omyaqua Dol, and Semidol. 

Water treatment consultancies

We offer technical support to customers, from the assessment of site-specific issues to the recommendation and implementation of proven solutions.

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