Brupaks Carbonate Reducing Solution (CRS) 250ml All but the very softest of water contains alkalinity in the form of carbonates. £3.85 Details + Add − 1 +
Woodshield Calcium Sulphate (Gypsum) 100 g A brewing additive to compensate water deficiencies. £1.35 Details + Add − 1 +
Harris Magnesium Sulphate (Epsom Salts) 100g Used to increase the acidity of mash liquor. £1.08 Details + Add − 1 +