Ecological Laboratories All In One Reef Supplement is a convenient formula that contains all Reef & Marine supplements in one application. This master supplement is a uniquely formulated product that simplifies the maintenance for reef environments. The All In One Reef Supplement has strategically balanced the following 6 reef products: Chelated Iron, Essential Minerals & Trace Elements, Vitamins & Amino Acids, Calcium Concentrate, Iodide & Bromide, and Strontium & Molybdenum. This time saving supplement is especially convenient and prudent for smaller reef systems such as nano reef tanks. Dosage: Add 2 - 4 capfuls per 50 gallons, 1 - 2 times per week as a broad spectrum total supplement of over 60 components of sea water. Usage may safely be doubled if desired.