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          Kolar Labs Crystal Cal Activated Carbon 5 Gallon Activated Charcoal for Aquariums and Fish Tanks - Pet Supplies online store
          • Kolar Labs Crystal Cal Activated Carbon 5 Gallon Activated Charcoal for Aquariums and Fish Tanks - Pet Supplies online store
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          Kolar Labs Crystal Cal Activated Carbon 5 Gallon Activated Charcoal for Aquariums and Fish Tanks - Pet Supplies online store

          $51.99 USD
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          • Carbon neutral

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          Crystal Cal has a large pore structure, similar to that of lignite carbons, for effective removal of higher molar weight color inducing molecules from aquariums. Most of the carbon sold for fish tanks is made to treat air, resulting in high levels of contaminants, such as phosphates, which may leach into water.
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