Specifically designed for Fluval SPEC Desktop Aquariums, this premium, activated carbon provides critical stage 2 chemical filtration. The research-grade carbon has large amounts of surface area for the adsorption of impurities. It effectively removes heavy metals, odors, discolorations, and pollutants, leaving your aquarium water crystal clear and sparkling. This package contains 3 bags of activated carbon.
INSTRUCTIONS: Remove protective plastic bag and rinse carbon insert thoroughly before use. Place insert into the top section of filter foam block, To maintain water quality, it is important to replace insert every 2-4 weeks. To ensure constant presence of beneficial bacteria,do not replace all filtration media at the same time.