Red sea coralline gro contains the specific elements required for the active development of coralline algae in all marine systemscoralline gro should be used while cycling all new systems and continuously in fish only aquariumsin non coral invertebrate or soft coral aquariums coralline gro should be dosed according to alkalinity levels and in conjunction with red sea reef colour a supplementcoralline gro should not be used when using all four reef colour supplements as these already provide a