The Blue Max 2-Part Series is an EASY TO USE, ALL PURPOSE PLANT FOOD for all types of plants and gardens, for both beginners and advanced growers. Each part plays an essential role throughout the plant's growth and development, providing all primary, secondary, and micro-nutrients your plants need to grow from seedling all the way to harvest! This means that the BlueMax 2 part system contains EVERYTHING plants need for healthy growth and hefty harvests. Our proprietary formula contains multiple forms of chelated micro-nutrients and is ionically balanced to maximize nutrient uptake. We use a combination of EDTA, DTPA, EDDHA, and amino chelating compounds to increase nutrient availability. BlueMax Series is designed for use in all hydroponic systems, aeroponics, coco-coir, all soil-less mediums such as vermiculite, perlite, rockwool, and in soil.