Skip to content
Winemaking.net
← All varieties

Malbec

RedVinifera red

Cahors and Mendoza

Inky, plummy and velvety, with soft tannin and a violet aroma at its best.

At harvest

Each bar drawn against the full range of all 54 varieties

Sugar

23-26 Brix

23 - 26

Titratable acidity

5-6.5 g/L

5 - 6.5

pH

3.5-3.8

3.5 - 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

Flabbiness in a warm year. The acid falls faster than the sugar rises once it is ripe.

Made into

  • Dry red
  • Bordeaux blend

Sulphite at this pH

At pH 3.65, protecting a red wine to 0.5 mg/L molecular SO2 takes 35 mg/L of free SO2. Work it out for your own reading.