The industry's standard micronutrient supplement for the last 50 years, now in a convenient, ready-to-mix liquid formulation. Goes from the jug to the tank in one easy step with no solubility issues. C (Customizing) component can be used with a variety of B (Base) formulations Effective for all Water Types Contains the ideal balance of all essential micronutrients readily available as chelates Specifications Boron (B).................................................... 0.13% Copper (Cu)................................................ 0.125% 0.125% Chelated Copper (Cu) Iron (Fe)...................................................... 4.6% 4.6% Chelated Iron (Fe) Manganese (Mn)......................................... 1.25% 1.25% Chelated Manganese (Mn) Molybdenum (Mo)....................................... 0.015% Zinc (Zn)...................................................... 0.6% 0.6% Chelated Zinc (Zn) Additional InformationMSDS (PDF)