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 every four cups of cold water. You may experiment with the ratio to find your favorite flavor profile. 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.