Humic PLUS with Aquatrols Technology Water Penetrant delivers an Activated Humic Acid carbon source to stimulate and improve soil microbiology. Comprised of homogeneous Humic and Fulvic Acid complexed with Soluble Calcium and water penetrant, the addition of Aquatrols Technology ensures your turf gets all the nutrient benefits along with increased water use efficiency, at an economical price that turf managers will love! 50lb Bag (Covers 11,000 sq. ft.).