Reef Advantage Strontium, 4 kg / 8.8 lbs
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<b>[Product Information]</b><br>
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<li>Raises strontium in reef aquarium</li>
<li>Restores and maintains strontium levels found in natural sea water</li>
<li>Strontium is utilized in corals in the same manner as calcium and holds a similar importance in maintaining a vigorous level of growth</li>
<li>Contains 30,000 parts per million of ionic strontium</li>
<li>300 grams treats 2400 US gallons</li>
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