This high-quality powder feeding nutrient is perfect for hydroponic gardening. It contains a balanced 18-12-18 formula that ensures your plants receive all the necessary nutrients for long flowering periods. The 5.5lb weight makes it a long-lasting option for growers who want to maximize their yields. The mineral-based fertilizer is suitable for use with a variety of plants and is designed to promote healthy growth. The brand, Green House Seed Co., is a trusted name in the industry, providing you with peace of mind that your plants are receiving the best possible care.