AluBall Single Serve Cold Brew Coffee Maker Review Posted: August 03, 2018 Under: Cold Brew Coffee Makers By IncredibleBerry no Comments Includes: Patented AluBallĀ® 16oz Wide Mouth Mason Jar Instructions: Add 8oz of cold filtered water to jar Add 2 tbsp of coarsely ground coffee beans to AluBallĀ® Shake Brew for 8-10 hours