Water Treatment


Martin Marietta Magnesia Specialties' high purity, magnesium oxide and magnesium hydroxide products are used in potable water treatment.



FloMag® products are non-hazardous, environmentally-friendly, safe and cost-effective treatment options for pH adjustment of potable water. FloMag® HP, HP ER, PWT, and PWT MHP are certified by NSF to conform to the requirements of NSF Standard 60 for Drinking Water Chemicals – Health Effects under the categories of pH Adjustment and Coagulation & Flocculation.


Benefit FloMag® Caustic Soda Lime
Easy and safe to handle since non-hazardous and non-corrosive
Does not cause scaling problems
Supplies more CaCO3 alkalinity equivalency / gallon
Long lasting alkalinity / pH control
Non-toxic (when used properly), safe for the environment

For more information regarding your application or to place an order, please call 800-648-7400 (inside the U.S.) or +1-410-780-5500. Or, Contact Us with your questions.