About this item The Flora Series is a hydroponic-based nutrient system that helps fulfill your plantsҠnutrient needs at every stage of growth Nutrients included in the Series are FloraMicro, FloraBloom, and FloraGro FloraMicro: contains nitrogen and calcium, as well as trace minerals, which are essential for a comprehensive hydroponic plant diet FloraBloom: adds phosphorus, potassium, magnesium, and sulfur to provide nutrients for flower and fruit development FloraGro: provides additional nitrogen and potassium for structural and foliar growth