Great Starter Fertilizer: High phosphorus and potassium lawn food provides essential phosphorus and is highly recommended when establishing a lawn with sod or seed 3-18-18 Lawn Fertilizer Food covers 32,000 square feet when using a hose-end sprayer: Refill 3-18-18 hose-end sprayer or use with a third-party hose sprayer or backpack sprayer Can be used on all warm season and cool season grass types: Including Bermuda, St. Augustine, Zoysia, Fine Fescue, Tall Fescue, Rye, and Kentucky Bluegrass lawns Contains 18% phosphorus. Phosphorus encourages root vigor and is essential for turf establishment. Phosphorus effects on turf are usually more subtle and, while not as readily visible, are still very important Contains 18% potassium. Potassium can enhance the lawn's endurance if a deficiency is present. The application of potassium will generally not show a visible response Produced in the USA: 3-18-18 Lawn Food is manufactured in the United States of America by a family-owned business with over 25 years of former experience in the commercial professional turf and agriculture industry Simple Lawn Solutions: 3-18-18 is an NPK Liquid Lawn Food Fertilizer. Designed to promote roots while providing key nutrients for lawns. Use this lawn food to maintain your lawn or for nutrient deficiencies. Keep your lawn watered sufficiently to ensure nutrients are absorbed properly. The Features and Benefits: Premium 3-18-18 Liquid Lawn Food contains Phosphorus which is essential for root vigor and Potassium which is important for essential plant functions. High Phosphorus and Potassium Lawn Food is can be used for every grass type, is used commercially, and is made in the USA. 3-18-18 Lawn Food is best to be used when establishing your lawn, to help prepare the turf for temperature changes, and/or if your lawn is deficient in Phosphorus or Potassium. Coverage is 32,000 square feet with a hose-end sprayer. 3-18-18 is manufactured in the United States of America, by a family-owned business with over 25 years of former experience in the commercial professional Turf and Agriculture Industry. Apply to actively growing turf only. Use alongside regular lawn fertilizer program.