Nettles are exceptionally rich in silica and iron and contain high levels of nitrogen, potassium, magnesium, microelements, enzymes and trace minerals, and as with seaweed emulsion, nettles also stimulate a plant's immune system, improving its resistance to insect and disease attacks. urtimax can be used as a foliar spray or added to your nutrient solution. Use during growth and early flowering, or when needed. Solution: 30 ml/LFoliar spray: 20 ml/LUsage with Urtica:All types of plants, fertilizers, media, and hydroponic cultivation, as well as outdoor gardeningEspecially effective against plant chlorosis Chlorosis treatment, organic silica source, general health tonic and adaptable pest deterrent: Urtimax® is an organic all-rounder Urtimax® stimulates plant growth, combats leaf chlorosis and mineral deficiencies and improves pest resistance. Urtimax® is a high-quality nettle infusion that gardeners have been using for hundreds, if not thousands, of years. Made by fermenting nettles in water, Urtimax® offers unparalleled protection and nourishment for your plants. Nettles are exceptionally rich in silica and iron and contain high levels of nitrogen, potassium, magnesium, microelements, enzymes and trace minerals, and like seaweed emulsion, nettle tea also stimulates a plant's immune system and improves its resistance to insects and disease attacks.