The highest grade filter carbon for filtering aquarium water. FilStar Activated Carbon has 5 times the absorption power of standard charcoal. Effectively removes dissolved organic waste that stresses tropical fish and discolors aquarium water. Also removes discoloration, foul odors, toxins, and medications. Safe for all types of fresh or saltwater aquariums, even sensitive reef systems. 150 grams. Use one pouch for every 55 gallons of aquarium water.
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