Hydro A is a highly concentrated basic mineral fertilizer, used in combination with Hydro B, in the growth and flowering phases of the plant.

With chelated trace elements to facilitate rapid absorption. Hydro A is rich in calcium, which helps the plant fight heat stress. Hydro B contains magnesium, which stimulates the production of chlorophyll, essential for plant growth.

These complement each other and provide a complete combination of nutrients. They can be used on all types of inert substrates.