Maintain proper level of essential trace elements in your reef aquarium. Many important trace elements are used or rapidly depleted by various chemical processes in a reef aquarium; elements important for the long-term growth and health of corals and invertebrates. Reef Trace replenishes these elements quickly and completely. Reef Trace is nitrate and phosphate free. For best results, use in conjunction with Reef Plus. Treats 100 gallons for 2 to 4 months. 500 ml.
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