I am currently treating for green turf algae with fluconzole. First time around it took 4 weeks, 2 doses. It appeared to be all gone. A month later it's back. I think the turf algae is tougher to kill than bryopsis or gha. I ordered enough to do 4 treatments, 2 weeks for each dose. I can tell it is weakened from the 1st attempt as it is turning white/gray after 7 days. It took 2 weeks to see any affect my first attempt
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