Laguna PowerFlo 1000 Biological Filter Media, 6.6-Pound
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<b>[Product Information]</b><br>
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<li>Laguna Lava Rock is the ideal host for large populations of beneficial bacteria.</li>
<li>Suitable for most underwater and external pond filters</li>
<li>Placed in the appropriate pond filter media chamber</li>
<li>Filter out harmful toxins and creating optimal conditions for clean and clear pond water</li>
<li>This product weighs 6.6-pound</li>
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