Phosphate free and keeps water crystal clear. Safe for freshwater and marine aquarium.
The zipper-design media bag is reusable. The zipper is made of plastic.
Size of mesh bag: 12”x 10.5”. Diameter of carbon pellet: 4mm.
Includes: 20 lbs of activated carbon in 4 mesh bags. 5 lbs each bag.
**Note**: As with all carbon, rinse carbon well to remove excessive dust before use.
C2 5 lbs Activated Carbon Charcoal in Mesh Bag Aquarium Fish Pond Filter Media,4-Pack, Total 20 lbs
Descriptions: The active carbon is bagged with a mesh media bag. Media bags allow the precise placement of carbon and ensure granular media doesn't travel through pumps and pipes.
