An elegant and effective way to produce quality cold brewed coffee at home. What's great about cold brew? It's rich, smooth and contains less than half the acids of traditional hot brew methods. The Hario Mizudashi Cold Brew Coffee Pot is also simple to use. To make up to 1 Litre of cold brew, simply follow these steps: Add your favourite ground coffee to 3 Litre of water Steep the grounds in the internal permanent filter for anywhere from 3-12 hours Combine cold brew with water and enjoy over ice - with milk or black. It's a great summer time cooler! The Mizudashi Cold Brew Coffee pot is made with high quality heatproof glass, as with all the Hario products.