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Im trying to breed in Discus and since Im using R/O water, I will have to add some trace elements. However, Im not entirely sure what. Seachem makes Discus Trace Element liquid. Is that all I need? I already have Seachems neutral regulator and pH down if needed. Seachem also sells 'Equilibrium' and other buffers but what do I use? Is the trace elements all I did along with neutral regulator?