Grotek Final Flush Final Flush is formulated to remove excess salt from growing media to ensure a cleaner testing harvest. Plants tend to absorb excess nutrients and store them in plant tissues. By purging nutrients from the root zone, plants are forced to convert accumulated salts into secondary metabolites that improve harvest quality. The result is a top quality harvest with the flavour and aroma you expect. Available in 6 Scents: Grape Fruit Green Apple Strawberry Blueberry Pina Colada Regular FERTILIZER RINSE SOLUTION Final Flush is available in six scents, is designed to remove excess salt from the growing media for a cleaner-tasting harvest. Excess nutrients are stored in the plant's tissues by plants. Plants are forced to remove excess nutrients from their root zones and convert them into secondary metabolites, which improve the harvest quality. This results in a high-quality harvest that has the aroma and flavour you want. Application Rate: 1L = 500L solution: Flushing with water will only remove dissolved nutrients. Final Flush has powerful solubilizers which liquify, remove precipitated and absorbed nutrition. Apply the Final Flush solution liberally to the container to address any nutrient deficiencies or salt accumulation. Let the excess solution drain out of the bottom. If necessary, repeat the process a second time. After that, wait for one week before you resume regular feeding.