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Chemical dosages for Iron and Hydrogen Sulfide,   |  
 
Date : 8/5/2014 
From :
JOhn 
 
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Question
  
How much chemical do I need to treat Iron and Hydrogen Sulfide? 
  
 
Answer
  
    The dosage required can be estimated by the following:        3 ppm of chlorine is required for each ppm of hydrogen sulfide.        1 ppm of chlorine is required for each ppm of iron.        0.7 of potassium permanganate is required for both iron and hydrogen sulfide.        2 to 5 ppm of polyphosphate is required for hardness and clear water iron treatment.    
 
  
 
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