Our chlorophyll spray contains nitrogen compounds, vitamin K1. It can effectively alleviate and prevent the problem of yellowing of plant leaves, enhance the resistance of plants, and make plants healthier and more stable in the face of environmental changes. The application is simple: shake well before use. Spray on plants early in the morning or late afternoon, keeping the spray 15-30 cm away from the leaves and repeat every 2-4 weeks. It will allow your plants to continue to grow and thrive.