Corosex

Corosex Filter Media – The Ultimate pH Correction Solution

Corosex® is a highly effective solution for neutralizing acidity and elevating pH levels in water treatment systems. Engineered from hard, bead-like magnesia, Corosex® is designed for superior performance in correcting acidic water conditions.

Key Benefits:

• Powerful pH Correction – Neutralizes free carbon dioxide, reducing corrosiveness in acidic water
• Highly Efficient & Cost-Effective – Magnesium oxide neutralizes 5x more acidity per weight than calcium carbonate, minimizing chemical use
• Versatile Applications – Ideal for residential, commercial, and industrial water treatment
• Optimized Performance – Works alone or combined with Clack Calcite for enhanced pH correction

Physical Properties:

• Color: Brownish white
• Bulk Density: 75 lbs./cu.ft.
• Mesh Size: 6×16
• Specific Gravity: 3.6 gm/cc
• Effective Size: 1.4mm
• Uniformity Coefficient: 1.7
• Composition: Minimum 97% MgO

Operating Conditions:

• Downflow Service: For water hardness less than 5 grains/gal., or mix 50-50 with Clack Calcite
• Upflow Service: Recommended for hardness above 5 grains/gal. to prevent cementing
• Water pH Range: 4.5 - 6.0
• Bed Depth: 24 - 30 inches
• Freeboard: Minimum 50% of bed depth
• Backwash Rate: 10 - 12 gpm/sq.ft.
• Service Flow Rate: 5 - 6 gpm/sq.ft.
• Max Usage: 100 mg/L

How Much Media Do You Need?

• 9" x 48" – Holds 1.0 cubic foot of media
• 10" x 47" – Holds 1.25 cubic feet
• 10" x 54" – Holds 1.5 cubic feet
• 12" x 48" or 52" – Holds 2.0 cubic feet
• 13" x 54" – Holds 2.5 cubic feet
• 14" x 65" – Holds 3.0 or 3.5 cubic feet