The General Hydroponics FloraPro Ca + Micros 25 LB is a calcium and micro nutrients powder blend specifically designed for hydroponic gardening. The brand, General Hydroponics, is known for producing high-quality products for home and garden use. This product comes in a convenient 25 lb container, making it easy to apply to your plants for optimal growth and health. Perfect for wholesale lots or individual use, this blend of nutrients is essential for successful hydroponic gardening.