RAW Humic Acid 0.5 lb. Supplement any feeding program. Fully soluble. RAW Humic Acid increases chlorophyll, sugar and amino acids and improves the efficiency of nitrogen utilization. RAW Humic Acid increases the plants ability to withstand the stresses of heat, drought, cold, disease, insect and other types of environmental or cultural pressures. RAW Humic Acid also increases overall plant productivity, in terms of yield, as well as plant strength. RAW Humic Acid is a great way to supplement any feeding program.