HESI Blüh Complex is a high-quality fertilizer that is optimized and enriched for the supply of flowering plants. Blüh Complex contains additional vital nutrients that increase the energy of the plants and keep the soil and root fauna healthy. In addition, HESI Bloom Complex contains a pH corrector that corrects the fertilizer solution to an optimal, slightly acidic pH value for the plants. HESI Bloom Complex is recommended in flowering plants to compensate for increased phosphorus and potassium requirements. This can be additionally optimized by the addition of HESI Phosphor Plus.