Herbal acids are a kind of organic acids that are similar to each other in terms of a part of chemical structure. The similar part of them is hydroxyl group, which is located in α carbon zone. Auxiliary materials of pesticides refers to the substances that by reducing the surface tension as well as decreasing the pH value cause that toxin solution is well mixed with water and its efficiency enhances, in addition, a more appropriate cover of small toxin drops is formed on the sprayed surface. Niam’s Herbal Acid is completely soluble in water and can be used in drip irrigation systems and in form of spraying usage as well. It is resolver of formed deposits in nozzles. Despite the mineral acids, adding this solution to water does not contributes to increase of the water EC.