Red sea coral colours a is a iodinehalogen complex that promotes the pink colours on coralsr reef colours a halogensr promotes colour pinkr contains iodine bromine and fluorine antioxidants bio disinfectantr reduces bleaching by uv shockr red sea research has shown a direct relationship between calcium uptake and the 31 individual elements of the reef colour supplementsreef colours a supplement is part of the complex range of complementary major minor amp trace element complexe