Penn-Plax Pro-Carb Activated Carbon Fish Filter Accessory, 17-oz Bottle

The Penn-Plax Pro-Carb Activated Carbon Fish Filter Accessory helps to ensure your water is safe for your freshwater or saltwater tank. It removes toxins, harmful chemicals, odors and discoloration from the water, leaving it looking crystal clear. By helping to remove toxins and ammonia from water, it maximizes the efficiency of your filter (sold separately). This is also great for use with aquatic turtles and aquatic amphibians.