DE MADERA BLANCO The first use of Wood Fermentation at El Pandillo, de Madera, is a limited edition, annual release Blanco tequila. De Madera is also the only G4 expression made with deep well water, adding even more unique depth and complex character to this tequila vs all other G4. Tasting Notes: Bold. Cooked agave with cracked black pepper and spices. Nutty.