The item shown is a Coralife Nano Reef Part A/B supplement set designed for smaller marine This ionically balanced system helps maintain critical calcium, magnesium, and alkalinity levels. It provides essential major, minor, and trace elements to support coral health. The formula is phosphate-free and designed to increase alkalinity (KH) and stabilize pH. The set includes two 8 fl oz (236 mL) bottles. Please see pictures for details
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