Coffee Maker Melitta six. Check out the coffee stage: Be sure the coffee level is suitable. If your coffee level is just too small, the water might not go through the coffee adequately, resulting in a weak or bitter brew. A: Clean the coffee maker carefully and descale it https://marcolptwy.wizzardsblog.com/35845004/melitta-coffee-machine-parts-5-simple-techniques-for-melitta-coffee-machine-descaler