Atami Premium Plant Powder Hydro is a complete mineral NPK fertilizer with added calcium and magnesium! Calcium is crucial for fruit and plant development, while magnesium is a key element in photosynthesis. This powder is easy to transport and use. Mix the right amount of powder according to the volume of water to increase the EC value. The nutrient solution can be used from the growth phase of the plants. Every 0.1 gram of plant powder increases the EC value of a liter of nutrient solution by 0.09 mS/cm. Store the product in a cool, dark place. Do not use as food. Packaging weight: 1.0 kg. Shelf life: 24 months from the opening date.