Red Sea Trace Colors D - Bioactive Elements Supplement Fluval 305 a few of them have

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Red Sea Trace Colors D - Bioactive Elements Supplement Fluval 305 a few of them haveBioactive Elements Supplement Trace Colors D Blend of 18 Essential Trace Elements Trace element supplement that promotes Purple & Blue colors in corals. BIOACTIVE ELEMENTS Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals. These 18 elements (out of all the trace elements in NSW) participate in the metabolic processes inside a corals skeleton and soft tissue,