Reef Colors D Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals. Reef Colors D Supplement contains a blend of trace elements that are associated with many biological processes, one of them being the production of 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.
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