Concentrated and stabilized iodide source for reef aquariums. Reef Iodide will restore and maintain iodide levels to those found in natural sea water. It is formulated to provide a safe source of iodide that will not convert to toxic free iodine under storage or reef conditions. Use 5 ml for each 50 gallons of water to maintain healthy coral growth. 100 ml treats up to 1,000 gallons.
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