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Diluting Powder Tannins Procedure


Weighing the Tannins

Measure the required amount based on the recommended dosage.

Example :

  • Must or pre-fermentation: 5 to 30 g/hL.
  • Red wine: 4 g/hL (see the correspondence table for your trials with the decision-aid kit - (click).

Preparation of the Solution

  • Dissolve the tannins in 10 to 20 times their weight in water or wine.

Recommended: Use warm to hot water (50-70°C) for faster dissolution.

  • Mix vigorously to thoroughly disperse the tannins.

Rest and Homogenization

  • Let the solution rest for 15 to 30 minutes at room temperature for complete hydration.
  • Stir again before use to ensure homogeneity.

Incorporation into Wine or Must

  • Pour the solution slowly and evenly into the wine or must while it is in motion (pumping over or active stirring).
  • Ensure proper homogenization to avoid any local overconcentration.


Immediate Use

Use the solution within 3 hours to avoid any risk of contamination.


Conversion Table

After your trials with the decision-aid kit, you have determined a dosage. Here is a conversion table to find the equivalence with other products.

Essais et calcul de Dosage

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