General Organics Ancient Forest is a natural soil amendment consisting of 100% pure forest humus. Derived from thousands of years of naturally decomposed forest litter, it contains a wide spectrum of organic compounds. Its high diversity of microorganisms, including more than 35,000 species of bacteria and over 5,000 species of fungi, make Ancient Forest an ideal amendment for gardening and potting soils. This amendment also aids in the retention of water and nutrients, creating stable, long lasting soil for your garden. Ancient Forest’s immense biological activity also makes it the ideal inoculum for actively aerated compost teas.