Iron+ Supplement TRACE COLORS C Iron and complementary trace element supplement that promotes the Green colors in corals Fe + blend of 7 complementary elements IRON+ Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs for coral growth. A complex of eight “light” metals that includes iron, manganese, cobalt, copper, aluminum, zinc, chrome and nickel. These micro-elements are essential for many bio-chemical metabolic processes, including respiration, production of energy, chlorophyll and photosynthetic catalysts. C elements are related to the green/yellow chromo-proteins. For best results in displaying coral colors use in conjunction with Red Sea’s NO3: PO4– X. Aquarium Type Average daily usage per 100L(25gal) Test kit CALCIUM+ IRON+ Mixed Reef 3ml 0.3ml CALCIUM PRO SPS Frag 6ml 0.6ml CALCIUM PRO SPS Dominant 4ml 0.4ml CALCIUM PRO Ultra Low nutrient SPS 2ml 0.2ml TRACE COLORS PRO Concentration Liquid supplement: 1ml will raise the Iron level of 100 liters (25 gal) by 0.01ppm. package size/volume: 500 ml (16.9 fl. Oz.)