I have a lot of purple cyanobacteria on my sand and I just did a treatment of chemiclean and nothing changed! It has been 78hrs and I just did a 35% water change. Should I do another round of chemiclean or what else is there to get rid of it
Ps: 12 week old tank 2 ocellaris clownfish 1 sand sifting starfish
Ps: 12 week old tank 2 ocellaris clownfish 1 sand sifting starfish