sera florena is an effective fertilizer for all aquatic plants. The fertilizer contains all necessary minerals, trace elements and iron sera florena is nitrate and phosphate-freely. For lush plant growth. sera florena is mainly taken up through the leaves and, in particular, ensures lush green, splendid leaf growth. Aquatic plants are very important in aquariums as they withdraw pollutants and algae nutrients from the water. sera florena provides aquatic plants with all important minerals and trace elements for healthy and colorful growth so they can fulfill this important task. Deficiencies are thus avoided without burdening the water with excess nutrients. Furthermore, the new improved formula contains innovative, particularly stable iron complexes that even remain available when using UV-C water clarifiers at day. This product does not contain any nitrate nor phosphate. It is well tolerated by all invertebrates.sera florena+ basic plant care+ with minerals and trace elements+ withou