🌼 Elevate Your Garden Game! Crafted without artificial dyes or colorings, ensuring a clean and effective growth experience. Infused with essential elements like calcium, magnesium, and amino acids for superior plant health. Perfect for soilless, hydroponic, organic soils, and coco coir systems—adaptable to your gardening style. Experience the power of a balanced nutrient blend designed for optimal plant growth. Utilize a high-efficiency nutrient solution that acts as both a base nutrient and a bloom stimulant. 0-37-37 NPK ratio Versatile for all systems 100% water soluble Grow More 721580 Mendocino Flower Hardener is a 25 lbs. nutrient solution featuring a 0-37-37 NPK ratio, designed for optimal plant growth in various systems. This 100% water-soluble formula is enriched with essential nutrients, including calcium, magnesium, and amino acids, ensuring your plants thrive without artificial additives.