Calcium Chloride Flake is a salt used to increase the mineral content of brewing liquor with the aim to improve its brewing quality and ability to produce characteristics specific to a certain beer style. Kosher Product. Calcium Chloride Flake is a liquor treatment you can use to improve the health and vigour of the yeast. It also improves overall extract yield and fermentability and the beer fining performance. Benefits : • Reduces the pH during mashing and wort boiling which improves enzyme activity• Promotes the precipitation of unwanted proteins in the kettle, hop back or whirlpool• Improves health and vigour of the yeast• Improves extract yield and fermentability• Improves wort runoff• Reduces risk of infection• Reduces extraction of undesirable silicates, tannins and polyphenols• Reduces beer stone and can prevent gushing in beer• Improves beer fining performance • Promotes head retention on beer• Adds chloride which ensures corrects correct balance of salts for beer flavour and sweetness https://www.murphyandson.co.uk/wp-content/uploads/2020/10/Calcium-Chloride-Flake-V3-28.07.2020.pdf All our brewing chemicals come in resealable foil bags.