N-Ext Humic12 Liquid Humic Acid Bio-Stimulant N-Ext Humic12 is a high-strength liquid humic acid bio-stimulant designed to improve soil health and maximize turf performance. With a 12% humic acid concentration, Humic12 enhances nutrient availability, strengthens root systems, improves chlorophyll production, and increases soil water retention. This concentrated formula helps fertilizers work more efficiently and supports healthier, more resilient turf. Product Label & Specs Key Benefits Improves overall soil structure and aggregation Enhances nutrient uptake and fertilizer efficiency Increases root growth and turf density Boosts chlorophyll production and turf color Improves water retention and drought tolerance Enhances overall plant quality and stress resilience Size Options and Coverage Quart (32 oz): Covers up to 5,325 sq ft Gallon (128 oz): Covers up to 21,300 sq ft 2-Gallon Pack (256 oz): Covers up to 42,600 sq ft 4-Gallon Pack (512 oz): Covers up to 85,200 sq ft 5-Gallon Pack (640 oz): Covers up to 106,500 sq ft Application Information Apply 6 oz per 1,000 sq ft with 1 gallon of water Spray evenly using a hose-end, backpack, or pump sprayer Water into the soil within 24 hours with 1/4" of rainfall or irrigation Apply every 30–45 days or as recommended in your lawn care program Can be applied anytime during the spring, summer, or fall Do not apply to saturated soil Safe for cool-season grasses such as fescue, Kentucky bluegrass, and ryegrass Safe for warm-season grasses such as Bermuda, St. Augustine, Zoysia, centipede, and Bahia Rinse excess product from sidewalks, driveways, and other hard surfaces to help prevent staining
