Renew, 4 L / 1 gal.
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<b>[Product Information]</b><br>
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<li>Phosphate free carbon substitute for organic removal in the aquarium</li>
<li>Ideal for use in systems where phosphate released from all activated carbon poses a problem</li>
<li>Less aggressive than carbon making it well suited for reef and planted aquaria</li>
<li>Removes organics and particulates in the sub micron range; It will also help control ammonia nitrates and phosphates</li>
<li>Beneficial in soft water aquaria where the pH raising property of many carbons is not an asset</li>
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