Antired red slime algae remover, Aqualine Buschke. Antired successfully eliminates red slime algae in sea water aquaria. Antired is safe for invertebrates, is not harmful to nitrifying bacteria, and promotes the growth of higher algae. Turn the protein skimmer and carbon filter off during the treatment. Use mechanical means to remove the dying algae. 100 ml for 100 gallons.