1-2 ml per L of water (5-10 mL/Gallon). It is recommended to use HYSHIELD throughout your grow (seed, clone, vegetative and bloom stages).
Foliar Application: 3-5 times per week (lights turned off).
Hydroponics, Soil and Other Mediums: Use with every watering or as determined by your feeding schedule (only use with water-soluble nutrients).
Drench Application: Apply directly to root zone 3-5 times per week.