Leonardite Products, LLC
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Our Products

Our Leonardite Products contain among the highest levels of humic acid available anywhere in the world. The dry products, Source is available in five grades. Dry products are sold in 45 and 50 pound bags, one ton totes or in bulk. Our liquid product line is known as Humi-Source™. Humi-Source™ is a soluble humic solution available for wholesale and retail sales. Humi-Source Plus™ is a concentrate prepared for manufacturers and blenders. Humi-Source products are available in 2.5 gallon jugs, 55 gallon drums, 275 or 330 gallon totes or in bulk. Ask about our new product, Source-Ful™, a fulvic extract.

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The Source North Dakota Leonardite
Humi Source Soluble Humic Acid