If you are starting to notice a film of Red Slime algae growing in your aquarium， then it might be time to try Boyd’s Chemi-Clean Red Cyanobacteria Aquarium Treatment. Left untreated， this inconvenient， matting algae can cover the rocks and corals in your finned friend’s or invertebrate’s home. This powdered solution helps remove stains caused by red cyanobacteria by promoting an ideal enzyme balance and oxidizing organic sludge that has been trapped. This Boyd Chemi-Clean treatment is suitable for both fresh and saltwater aquariums and all invertebrates， fish， corals， nitrifying bacteria and macro algae.