There seems to be a trend in my friends to order a glass of water and sliced lemons. They are very weight conscious. I'm diabetic and have to watch everything I eat. But, an old wives tale from my mother was to eat a slice of lemon before eating for digestion. She might have known … Read more

I agree with others who have answered. Its a matter of taste. 1 level teaspoon per cup is what most brands say. For stronger coffee add and extra teaspoon, 31 per 30 cups of water, or weaker, 29 teaspoons per 30 cups of water. It also depends on the brand of coffee.