Bentonite granules. E558Racking, clarification and stabilization of white wine or rosé (protein disorder breaks copper), red wine thermovinifiés. Packaging: 1 kg bag. Dose: 30 to 100 g / hl, depending on the outcome of the test bonding. BIO Vinification: product authorized in the specifications "Nature and Progress", "Demeter" and "FNIVAB"