500ml Tub of Wine & Beer Finings by Ritchies.
Ritchies own formulation for superb clarity with most beers and wines.
Instructions for use: Stand bottle in warm water before use. Add 2 teaspoons per 4.5 litres of beer/wine. Mix thoroughly and leave to clear in a cool place.
Ingredients: Isinglass, citric acid, sulphur dioxide.