Oak, steel, concrete, clay

Question 1

Standard sizes

Answer 1

Bordeaux barrel - 225L

Burgundy barrel - 228L

Puncheon - 500L

Demi-Muid - 600L

Foudre - 2,000L - 12,000L

Question 2

Concrete

Answer 2

• if unlined, is not neutral.
• Ch Ste Michelle is seeing some tartrate crystal formation on inside of concrete eggs, which reduces O2 exchange.
• If use hot water, eggs will crack.
• David says clean with tartaric acid?