EPA-registered reef-safe algaecide that controls many types of algae in marine & reef aquariums

Aquarium Algaecide that is EPA-registered as reef-safe. Algaefix« Marine controls many types of algae in marine & reef aquariums. It will not harm marine fish, corals or other invertebrates and keeps marine aquariums clean and clear.
 

8 oz
Treats 2400 gallons (9072 L)
1.94" x 1.94" x 6.75"
0.63 lb

16 oz
Treats 4800 gallons (18144 L)
2.4" x 2.4" x 8.4"
1.29 lb