Use Canna Aqua Nutrients, a two-part A & B nutrient formula for fast growing plants in re-circulating water systems such as ebb & flow systems, aeroponic systems, Drip systems, NFT systems, that use any type of inert growing medium like rockwool, grow rocks or Hydroton. Use Canna Aqua Vega A and B during the first stages of plant growth - the vegetative phase. Aqua Vega nutrients are specially formulated for growing in re-circulating systems using various inert mediums. Rich in direct absorption nitrogen compounds and high-grade EDDHA iron chelates and trace elements; Canna Aqua Vega ensures complete absorption of nutrients during the critical stages of plant growth. For best results use Canna Aqua Vega A and B in equal amounts.