Best Seller | Spec Carbon Replacement Packs, 3-pack Are your fish starting to turn their noses up at your aquarium? It might be time to give it a little TLC with Fluval Spec Carbon Replacement Packs! Not only do these bad boys effectively remove heavy metals, odors, discolorations, and pollutants from... ... more Spec Carbon Replacement Packs, 3-pack Are your fish starting to turn their noses up at your aquarium? It might be time to give it a little TLC with Fluval Spec Carbon Replacement Packs! Not only do these bad boys effectively remove heavy metals, odors, discolorations, and pollutants from... Petco.com | | $5.75 go to store |