API Marine Algaefix 473ml Controls many types of algae growth in marine and reef aquariums & will not harm marine fish, corals, or other invertebrates. Benefits: Use weekly to control algae growth and reduce aquarium maintenance Will not...

API Algaefix 237ml  Controls the main and most persistent types of algae in freshwater aquariums Benefits: Controls algae growth in aquarium glass, ornaments and plants. Effectively controls “green water” algal blooms, and...

API Algaefix 118ml  Controls the main and most persistent types of algae in freshwater aquariums Benefits: Controls algae growth in aquarium glass, ornaments and plants. Effectively controls “green water” algal blooms, and...