Nature's Humic Acid From Leonardite Ore Liquid humic acid is a cost-effective way to add humus to your soil. Humic acid increases the efficiency of your fertilizers, transforms insoluble nutrients into useable ones, retards pathogenic fungi build-up, and stimulates microbial activity. This 100% natural, extract from leonardite ore deposits is applied as a foliar. For indoor or potted plants, use 1 tsp./qt water; For veggies, flowers, shrubs and trees, apply with a hose-end sprayer, 1 qt/5,000 sq. ft; For lawns, 1 qt./5,000 sq. ft. twice yearly; For large acreage, 1 gal/20 gal water/acre.

320411 Nature's Humic Acid,12%, 1 qt. $14.95 320431 Nature's Humic Acid,12%, 1 gal. $34.50 320451 Nature's Humic Acid,12%, 5 gal. $139.95 Due to the size and/or shape of the Humic Acid 12% 5 gallon, it will ship separately from other items ordered. Select 1 qt. 1 gal. 5 gal. qty: How to Order | Shipping Guide | Contact Us