Pennington Alaska All Purpose Fish Fertilizer comes in a convenient ready-to-spray bottle. No measuring or mixing required - simply attach the nozzle to any garden hose and you are ready to go. This low-odor formula is a great source of essential nutrients such as phosphate, nitrogen, and potassium and will not burn plants when used as directed. It can safely be used on all outdoor plants as well as lawns. For best results, you should apply Alaska All Purpose Fish Fertilizer early in the morning or at sunset every 3-4 weeks during the growing season. The 32-oz. bottle covers up to 300 square feet.