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: 1500mlHeat resistance: -20Celsius-130CelsiusNet Weight: 1.2lbDishwasher safeIntended Use:Cold Coffee / Tea / Fruit TeaCoffee Powder: Coarsecolour:TransparentMaterial:Borosilicate glasssize:27 x 10cmPackage Contents:1 x Cold Brew Coffee MakerOnly 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.