A great product when RESPIRATORY problems visit your loft. Effective in treating One Eye Cold, Mycoplasma, a breathing problems, and most other respiratory problems. If your birds are not performing as well as they should, coming home late, not wanting to fly like you know they can, suspect that you have a respiratory problem in your flock. Quell works and works fast. 1 teaspoon to a gallon of drinking water for a minimum of 5 days. Makes approximately 48 gallons.