Ritchies Wine and Beer Finings
35g Sachet sufficient for FIVE gallons, or 20g sachet sufficient for ONE gallon. Simply mix the contents into 1/4 pint of luke warm water and mix well before adding to the wine or beer. Leave in a cool position to clear.
Isinglass, Tartaric Acid, Permitted Preservative, Sulphur Dioxide (E220).