brewed with water rich in calcium sulfate, are made with top-fermenting yeast, and are processed at higher temperatures than the lager beers popular in the United States. Pale ale has up to 5 percent alcohol content; the darker strong ale contains up to 6.5 percent.
calcium sulphate di-hydrate (CaSO4·2H2O) (gypsum) doses of 1, 1.5 and 2 g·ℓ-1 r
Calcium sulfate, CaSO4, is a naturally occurring calcium salt. It is commonly known in its dihydrate form, CaSO4∙2H2O, a white or colourless powder called gypsum. As uncalcined gypsum, the sulfate is employed as a soil conditioner.