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  1. BandonBrewingCo

    Water report shows huge swings in hardness

    Hi, My water report shows a relatively stable PH variation between 7.73 - 8.29 (currently lying at 8.02) but my hardness is showing huge swings between 6.03-18.4 in German Degrees of Hardness. My latest reading was at the low end of that at 6.41°dH. Is this something I need to worry about...
  2. C

    Water Adjustments - Using Distilled Water and Salts

    In EZWaterCalculator the 'Mash + Sparge Water Profile' seems to be unaffected by the sparge water if I set the sparge water to 100% distilled or RO water. For example, 3.125 gal strike water 100% distilled with 5g calcium gives a calcium ppm of 115. If I then enter 3.375 gal sparge 100%...
  3. frankvw

    Why does water harness lower the mash pH?

    In his latest edition of How to Brew, John Palmer writes (on page 338): "Water hardness helps lower mash pH, and water alkalinity raises mash pH." While I understand alkalinity and the way it makes water resist pH changes when mixed with acid (or malt), I am not sure how water hardness helps...