Patiently made using a 1,000 year old method. Organic brown rice, koji, and spring water are blended and fermented outdoors in clay crocks and aged eight months. Precious, sweet, smooth, and mellow. Enhances almost any food and it's essential to make good sushi rice. 4.5% acidity. Great chefs insist on this sweet traditional brew, please discover why. Amber glass protected. Functional dispenser cap and refillable.