Hello! I have seen the product "DIEHARD™ Humate SP, 1 lb. unit" in DIEHARD™ Mycorrhizal Inoculants and Horta-Sorb® Super Absorbent Water Management Gels and thought of you. You can get more details about it on the following address: http://www.horticulturalalliance.com/details.asp?ProdId=DHHSP1&cat=1013&path=1001,1013