simple one wrote:Aleman wrote:Although the salts of calcium raise the pH of the water you add it to, it will reduce the pH of the mash as the calcium reacts with phosphate released in the phytin reaction leaving free hydrogen ions floating about which drop the mash pH
So do gypsum and calcium chloride increase pH when added to the boil?
Not really, Wort is a weakly acidic buffer solution, plus the reactions that go on during the boil (which also require the presence of calcium) tend to cause the pH to drop naturally anyway.
