TCS GrowStar Professional Fertilizers are carefully blended using premium raw materials and formulated with cutting-edge technologies to meet the nutritional needs of turfgrass and ornamentals. The advantage of using a slow-release fertilizer like XCU is that it allows for more efficient coverage with less fertilizer. This reduces application frequency and enhances cost-effectiveness. Additionally, with reduced nitrogen loss (N lock-off), more of the applied nitrogen is absorbed and utilized by turfgrass or plants within the optimal timeframe.