Knowing the facts about the macro elements your plants need is the first step to a successful garden. Your discount hydroponics store can help you in understanding the basic nutritional requirements plants need. The macro elements are the nutrients plant use the most. These elements are listed in percentage form on each label of your favorite nutrient. The N-P-K numbers found on these labels represent the nitrogen, phosphorus and potassium levels available in the bottle.
Most nutrients which are designed for the vegetative phase of the plant’s life cycle will contain a higher level of nitrogen. Plants require more nitrogen while they are producing new roots and vegetative growth. As the plant matures, it will require higher levels of phosphorus and potassium. When the plant reaches the flowering stage, phosphorus and potassium will become the primary elements the plant will require. Using a nutrient which takes this into account will help ensure a healthy garden.