General Hydroponics FloraKit, qt provides a unique combination of mineral nutrients and state-of-the-art organic chelates You can custom-blend a formula based on type of plant and phase of growth Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs.Mix special formulas for starting cuttings or seedlings, foliar feeding or other specialized needs. Excellent for use in all growing media, including rockwool, Hydroton clay aggregate, soil and aeroponics. Can be Used Indoors and Out