Arrow 10-10-10 FertilizerArrow 10 10 10 Fertilizer Arrow 10 10 10 is the go to fertilizer for all around plant health. With 10% nitrogen, 10% phosphorus, and 10% potassium, this granular formula is not only economical, but also provides immediate nitrogen for your plants. Perfect for when you need a multi purpose fertilizer. Equal parts of Nitrogen, Phosphorus, and Potassium Nitrogen is fast acting Economical Granular Multi purpose fertilizer Comes in a 50lb. bag