Use Korallen-Zucht's Cyano Clean to address the underlying cause of a Cyanobacteria outbreak. created with bacterial strains that scavenge nutrients, reducing the amount of food that Cyanobacteria can consume. reef-safe and doesn't change the tank's nutrient composition Weekly dosage as a precaution No antibiotics are present. won't have an impact on biological filtration When used in conjunction with Coral Snow and/or Zeozym, Cyano Clean can significantly improve its effectiveness in safely removing unsightly red slime algae from your saltwater aquarium. Zucht Korallen Instructions for Dosing Every day, two drops for every 100L of net water volume