Manganese Green Sand used to reduce iron, manganese and hydrogen sulfide in the water. Hyphen i: CV 081234590404 independent business Partners Manganese Greensand is formulated from the Greensand Glauconite which is able to Reduce iron, Manganese and hydrogen sulfide From water through oxidation and filtration. Iron and manganese Are Dissolved Oxidized By green sand Granules. Advantages: -The Effective Reduction Of Hydrogen Sulfide In Addition To Iron And Manganese -The Risk Of Failure Is Low And The Aged PLong emakaian Physical Properties: -Color: Black -Bulk Density: 85 lbs./Cu. Ft. -Specific Gravity: 2.4-2.9 -Effective Size: 0.30-0.35 Mm -Uniformity checked's: 1.6 -Mesh Size: 16-60 Conditions At The Time Of Operation: -Water Ph Range: 6.2-8.5 -Maximum Water Temperature: 80 ° F/26.7 ° C -Bed Depth: 30 In. Freeboard:-50% Of Bed Depth (Min.) -Regeneration: 1.5 to 2 Oz Of Kmno4 By Weight Per Cu. Ft. -Service Flow Rate: 3-5 Gpm/sq. ft., 8-10 Gpm/sq.ft. Intermittent Flow PossibLe -Backwash Flow Rate: 10-12 Gpm/sq.ft. Backwash-Bed Expansion: 40% Of Bed Depth (Min.) -Maximum Practical Limit Of Iron (Fe ++) Or Manganese (Mn + +) In Raw Water: 15 Ppm -Maximum Practical Limit Of Hydrogen Sulfide (H2s): 5 Ppm This Red Creature Mangaan Sand And Is Used To Lower Levels Of Iron/Metal Weight In The Water. Lifetime of 3 S/D 12 months. (Depending On Usage And Water Conditions) The Characteristics Of Water Containing Iron Is High: -If The Water Deposited Overnight Packed Will Change