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Barbonate?

Russell

Brewer
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  BrewSmith water report asks for Bicarbonate, but my water report doesn't show that. How do I find out what my Bicarbonate is?
  Water is    Calcium,    Sodium,  Sulfate,  Chloride,  Alcalinity (CaC03),  Conductivity,  Hardness (CaC03)    PH
    PPM              41              43        71          250        90                        478              132                  8.4

  Most Water calculators I see only want Alkalinity.

 
You can get a rough estimate of your Bicarbonate level by taking your alkalinity and ratioing it based upon the molecular weights of Calcium carbonate and Bicarbonate.  This would give you:

90 ppm alkalinity * 122 g/mol CaCo3/100 g/mol HCO3- = 110 ppm HCO3-

The actual conversion is pretty intense and depends upon the pH of the water, but this is close enough within a few ppm to get you what you want.
 
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