Die Nährstoffverhältnisse für Korallen und Schwämme in Riffaquarien sind ideal, wenn Nitrat und Phosphat in niedrigsten Konzentrationen vorliegen. ###>The ratio of nutrients is ideal for corals, sponges and other invertebrate animals found in reef aquariums when nitrates and phosphates are maintained at the lowest possible levels while maintaining the important balance between these key nutrients.