Research grade combination chemical filter media in a convenient flow-through nylon pouch. Bio-Chem Zorb contains a variety of research-grade organic scavenger resins, natural ion-exchange resin and high-porosity activated carbon. The result is superior removal of organic pollutants. Removes aquarium pollutants including colors, odors, heavy metals and toxic gases. Also improves water clarity and will not remove trace elements from saltwater. Safe for freshwater or saltwater. Each pouch treats up to 55 gallons.
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