Root Feed – Add plain water to your nutrient reservoir or watering can and allow to reach room temperature (If tap water, Ideally over night, to allow some of the chlorine to dissipate, but we know this is not always convenient!). Then add SHOGUN Start at a rate of 4mL/L to your nutrient reservoir or watering can. Before adding the nutrients, reduce the pH to just below 7 and then add your additives and nutrients. Recheck the pH (5.5-6.5) and the EC, making sure that it is no higher than 1.4. Repeat method for tank change/refill. Use for the very early stages of the plants life.