Premium research-grade, low-ash, and highly porous Fluval Carbon provides large amounts of surface area for adsorbtion of impurities. It effectively removes heavy metals, odors, discolorations, organic contaminants and pollutants to leave your aquarium water crystal clear and sparkling. Fluval Carbon does not raise phosphate levels.

Key Features:

• Premium research-grade, low-ash highly porous carbon
• Provides large amounts of surface area for adsorbtion of impurities
• Effectively removes heavy metals, odors, discolorations, organic contaminants and pollutants
• Produces crystal clear and sparkling results
• Does not raise phosphate levels
• For use in freshwater and marine environments
• For Fluval filter models: 106, 206, 306, 406, FX5, 105, 205, 305, 405, 104, 204, 304, 404
• 3 x 100 g (3.5 oz) nylon bags