Fritz Aquatics Pro Aquatics Magnesium Chloride Treats, 8-Pound
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<b>[Product Information]</b><br>
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<li>Professional reef supplement</li>
<li>Raises magnesium in reef tanks</li>
<li>Convenient/Economical high grade bulk magnesium for experienced marine/reef aquarists</li>
<li>Use to make your own magnesium solution or dose dry</li>
<li>Ammonia and phosphate free</li>
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