Kieselsol
Silicagel, used especially for clarification of wine, juices, etc. It is most commonly used in combination with liquid gelatine (1 ml kieselsol + 1 ml gelatine, to be added separately!) which results in a very fast action with little precipitation. Dosage: 2,5-5 ml/10 l.
How do I know which fining agent to use?
One of the most convenient methods, and still one of the best, is trial and error: take a number of samples from the wine to be fined and put them in test tubes. Add a few ml or grams of a different fining agent to each test tube. Another test tube of wine/juice with pecto enzyme and one with alpha-amylase (in starch rich fruit) are helpful. Leave to clear for a few hours and you will immediately see which fining agent gives the best result!
