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APS TechNotes See all articles

Corosex / Flomag media for pH adjustment in water Magnesium Oxide


cosrosex flomag filter media By neutralizing the free carbon dioxide in water, Corosex / Flomag can correct red water conditions and render it to a non-corrosive condition. Corosex / Flomag, being a reactive magnesium oxide, is used most effectively where pH correction is substantial or high flow conditions are in use. Corosex / Flomag, being soluble to acidity, will have to be replenished periodically. Please note, Under certain low flow conditions, corasex may overcorrect and create a basic condition.

Purchase Corosex / Flomag Media Here
            
Corosex can be effectively combined with Calcite to combine the high flow neutralization properties of Corosex / Flomag, along with the slower reacting low flow properties of Calcite reducing potentially high basic properties due to overcorrection
      
  • Advantages:

    High degree of activity and speed of correction allowing high flow
          
  • Physical Properties:

    Color - Grayish White

    Density - 100 lbs./cu. ft.

    Effective Size  - 1.27 mm

    Uniformity Coefficient - 1.48

    Active Material (%) - 84.90

    Composition - MgO - 97% minimum

  • Conditions For Operation:

    Downflow service is satisfactory on waters with a hardness of less than five (5) gr./gal. Or where it's combined with Calcite at least 70% calcite. Upflow service is generally recommended with hardness exceeding five (5) gr./gal. To prevent 'cementing of the mineral bed'

    A gravel support bed is recommended.

    pH - 4.6

    Bed Depth - 24-30 in.

    Backwash frequently to prevent possible cementing.

    Backwash Bed Expansion - 35% of bed depth

    Service Rate - 5-6 gpm./sq. ft. but may be modified to adapt to local conditions

    Backwash Rate

    Also See :
    Calcite Media for pH adjustemt
    Terminator Water Systems




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