House & Garden Hydro A&B uses unique formulations specifically for run-to-waste hydroponic systems. Hydro A&B allows for rapid nutrient uptake as efficiently as possible. This powerful base nutrient has been designed to provide complete fertigation for both vegetative and flowering (generative) growth. Ideal for run-to-waste systems in rockwool, flock, perlite, clay, growstone, gravels, vermiculite or volcanic stone. Our Hydro A&B base been precisely designed to provide the complete range of required nutrient in beautifully soluble forms using unique chelating agents. Hydro A&B is engineered to balance optimised pH levels rapidly, resulting in more effective nutrient uptake and faster, healthier plant growth. Always make sure to test your EC when using our super concentrated formulas, so you can use less for more success! So if you want the best for your plants, House & Garden Hydro A&B is an excellent solution and a great basis for a successful growth.