Grotek Final Flush – Raw, 1 Liter

The Final Flush eliminates excess fertilizer salts in the final stages of growth and can also be used to correct overfeeding or for desalinization of reusable growing media.

DIRECTIONS FOR USE

SHAKE WELL before using. Observe for visible signs of excess fertilizer salts such as the appearance of a white, powdery residue on the surface of the growing medium.Use 10 ml of Final Flush per 5 L (2 tsp/5qt) of water. Safe to use while plants are growing or between crops.
Hydroponics: Add Final Flush mixture to pure water in the nutrient reservoir and run the system for about one hour.
Soil/Soilless Applications:
Salt Accumulation: Apply Final Flush mixture liberally to the top of the container and allow any excess solution to drain out the bottom. Repeat a second time if necessary and then wait one week before resuming a regular feeding program.
Prior to Harvest: Use mixture 7-10 days before harvest, to remove unnecessary fertilizer salts and fertilizer flavors.