PolypLab Pro-Carbon, 18 Liters

PolypLab Pro-Carbon 18 Liters. (approx. 21 lbs.)High-performance activated carbon for crystal clear water in fresh-water and salt-water aquariums. PolypLab Pro Carbon is an ultra high-performance activated carbon manufactured under the most strict quality controls.Pro Carbon- Highly Active- PH Balanced- In pellet form to reduce dust and find grains- Lowest Phosphate Concentration in Industry