Red Sea Trace Colors D, Bioactive elements supplement Part of a 4 part program Trace element complex that promotes the purple / blue colors in corals Trace colors Bioactive Elements supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals. trace colors Bioactive Elements Supplement contains a blend of trace elements that are associated with many biological processes, one of them being the production of the purple / blue pigments in the soft tissue of corals. To ensure coral health, the ppm level of these elements must be maintained within a narrow band and therefore should only be dosed according to a measured requirement of the aquarium. For optimal results, dose in proportion to the dosing of Red Sea's Foundation Calcium+ supplement. For best results in displaying coral colors use Red Sea's NO3:PO4-X.
