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Viognier

WhiteVinifera white

Condrieu

Apricot, honeysuckle and a full, almost oily body, at naturally high alcohol and naturally low acid.

At harvest

Each bar drawn against the full range of all 54 varieties

Sugar

23-26 Brix

23 - 26

Titratable acidity

4.5-6 g/L

4.5 - 6

pH

3.4-3.8

3.4 - 3.8

Juice yield

0.65 L/kg

free run plus a gentle press

Sugar per kilogram

176 g

at 24.5 Brix, the midpoint

Fruit for 23 litres

35 kg

before racking losses

Potential alcohol

13.5-14.7%

from 1.103 fermented dry. A range, because conversion varies by strain

What it punishes

Picking late for aroma and ending up with 15% alcohol and no acid. The window between under-aromatic and flabby is about a week.

Made into

  • Dry white
  • Rhone blend

Sulphite at this pH

At pH 3.60, protecting a white wine to 0.8 mg/L molecular SO2 takes 50 mg/L of free SO2. Work it out for your own reading.