The Basics of Cold Brew. Medium to coarse grind. Filtered or bottled water is recommended. Here is a recommendation: 1/4 cup coarsely ground coffee to four cups of cold water. You may experiment with the ratio to find your favorite flavor . Remove the strainer from the pot after brewing. Pour over ice cubes for the ultimate cold brew experience. Also great for iced / hot tea. Perfect Thanksgiving Christmas Birthday gifts for coffee lovers! Capacity: 1500ml Heat resistance: -20Celsius-130Celsius Net Weight: 1.2lb Dishwasher safe Intended Use:Cold Coffee / Tea / Fruit Tea Coffee Powder: Coarse colour:Transparent Material:Borosilicate glass size:27 x 10cm Package Contents: 1 x Cold Brew Coffee Maker Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.