Nitrate (NO3) 20ppm per week
Potassium (K) 30ppm per week
Phosphate (PO4) 3ppm per week
Magnesium (Mg) 10ppm per week
Iron (Fe) 0.5ppm per week
Go to the tutorials section... Plenty of excellent information!I am new to EI fertz can somebody explain what method is it, thanks!