Overdose does not affect the life of the vegetable at least gives benefits. Product not harmful to the environment, for animals, insects and microorganisms. Application: - 1 tabs for 250ltr water, radically administered in hydroponic tanks or added in the fertilization solution. - let dissolve 1 tabs in a glass of water inside the grow room, in such case the operation must be carried out at the time of the lighting system. Remember to temporarily stop the ventilation system to avoid gas extraction and to allow a rapid increase in temperature and promote absorption by plants.