General Hydroponics Flora Bloom 0-5-4 provides plants with the nutrients they need during the reproductive growth stages of flowering, fruiting, and seed production. FloraBloom is part of an Advanced Nutrient System, which, when combined with FloraMicro and FloraGro, allows for greater control over the nutrient mix. It is ideal for hydroponic applications and as a nutrient supplement for potted plants. It contains an NPK of 0-5-4.