Mangrove Jack's Australian Brewer's Series Gold Lager Sale! from $22.99 $22.99 Qty. Add to Cart A refreshing, easy-drinking Golden Lager with a balanced smooth flavour complemented by a mild bitterness. Contains 1.7 kg of premium liquid malt extract and style specific yeast. Requires 1 kg of dextrose (corn sugar). Makes 23 L.