High-quality fertilizer for application in rock wool. Rock wool is able to absorb a large amount of water and at the same time contain a high proportion of air, which makes it ideal for professional plant cultivation.

The great advantage of growing on substrate is that the supply of nutrients to the plants can be regulated and optimized. Hydro A&B is fully focused on this cultivation method and is free of contaminants so that the hygroscopic capacity of the substrate is utilized and preserved to the maximum. Thanks to a well-thought-out composition of the purest and highest-quality nutrients, including EDDHA iron, it is the optimal product for efficient plant nutrition, both during the growth and flowering period.