Seachem Flourish is one of the best plant fertilizers. This plant fertilizer is so great because it comes with loads of important elements, both macro and trace elements as well as multitude other nutrients that make your aquarium plants look their best. This comprehensive plant fertilizer will stimulate growth of your plant stems and leaves. Seachem Flourish contains a broad spectrum of essential trace elements, vitamins and amino acids. It is also rich in gluconate iron, manganese, calcium, magnesium, potassium, inositol, chlorine b12, biotin and other factors that have been determined beneficial to aquatic plants. Crucially, Flourish does not contain phosphate, nitrate or other fertilizers that promote algae growth.