This talk will focus on the exploration of chemistry and biochemistry of reef and aquarium ecosystems, their links and differences and their applicability to reef aquariums. The presentation will cover the high precision testing of seawater with a high throughput, Trace Elements in the Aquarium and their relevance, also compared to natural seawater of Flores Sea and Komodo. The conclusion will reflect on the changes to the point of view to reef keeping, regarding old and new techniques to mimic the natural habitat of corals.