Ancient Earth Organic-OIM 250mL Specifically designed for use with hydroponics, sphagnum, and soil growing mediums, the Advanced Nutrients 2050-14-6 Ancient Earth Organic is a blend of Grandma Enggys F-1 and H-1, a combination of humic acid and fulvic acid in a single bottle. Ancient Earth Organic reduces the effects of salinity and pH fluctuations, thereby increasing plant uptake of micronutrients that drive your plants to reach their optimum yield and increased root growth.