Hydroponics nutrients are mixture of various salts and compounds necessary for plant growth, plant metabolism and their external supply.In its absence the plant is unable to complete a normal life cycle. The essential plant nutrients include carbon, oxygen and hydrogen which are absorbed from the air, whereas other nutrients including Potassium, Phosphorus and Nitrogen are typically provided in nutrient solution, which otherwise is obtained from the soil. There are seventeen most important nutrients for plants. Plants must obtain the following mineral nutrients from their growing medium. The macronutrients: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulfur (S), magnesium (Mg), carbon (C), oxygen (O), hydrogen (H) The micronutrients (or trace minerals): iron (Fe), boron (B), chlorine (Cl), manganese (Mn), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni). Tripathi Products Private Limited brings you good quality hydroponics Nutrients at an affordable price.