HyR Brix 5-lb Tomato Fertilizer is a convenient and efficient one-time application fertilizer specially formulated to enhance the micro-nutrients, resulting in a healthy growth cycle. This fertilizer contains a balanced blend of essential elements such as calcium to prevent disease and rotting, as well as nitrogen to produce lush foliage. Make your tomatoes healthier and better tasting with this fertilizer that covers up to 125 sq. ft.