Seachem Renew ; 250 gm.
Renew is designed for both marine and freshwater use.
Use into all type of aquarium filters.
Reduce ammonium and nitrite, removes sludge,green algae,hair algae pollutants
and reduce water change frequency up to months.
Phosphate-free carbon substitute
High pore for maximum organic removal
Ideal to use in planted tank or marine tank - does not leach phosphate
No impact on trace minerals and important nutrients.