CX Ultimate Hydro Bloom 1l is the ultimate Single Part Nutrient for Indoor recirculating systems Ultimate Indoor for Hydro Bloom is the king of single part nutrients. Utilizing the full benefits of Hot Mix Technology for indoor recirculating systems, this nutrient will deliver all your plant's needs by being the perfect fusion of Organic and Synthetic fertilizers in one. In inert media, the plant is completely dependent on the fertilizer for all its nutritional requirements. You need to look no further than Ultimate Indoor for Hydro Bloom. Boasting a comprehensive array of all macro and micro nutrients it is balanced specifically for recirculating systems. Amaze yourself and try Ultimate Indoor for Hydro Bloom for the best single part crop production today..