Jack's Nutrients 12 4 16 Reverse Osmosis Water Soluble Fertilizer Bag Size:25 lbs This product stops the growth Four Port Multi Bird This product stops the growth of nutsedge weeds by moving through the plant and affecting the underground growing points Seven unique watering patterns for all your watering needs from light spray for delicate plants to a stronger stream for cleaning chores Formulated utilizing the innovative raw materials to reduce pH crash while delivering all the nutrients essential for vigorous plant growth Water Soluble Powder: Powdered concentrates go further than liquid fertilizers Simply mix your measured powder with water and you are ready to feed with multiple gallons of liquid fertilizer