Boyd ChemiClean. Dosage 1 scoop per 10 gallons (scooper included). Treats 300 gallons. Cyano bacteria is usually encouraged with the presence of nitrate and ammonia, which are both fixed forms of nitrogen. ChemiClean helps clean and remove this problem algae through its own unique process. Most other red slime removers use purely antibiotics. The use of these substances with in your aquarium can have disastrous effects upon your nitrifying bacteria and cause your tank to crash, and thus killing the inhabitants of your aquarium. The use of ChemiClean not only as a problem solver, when red slime is present, but as a regular maintenance procedure will help keep your water crystal clear and your tank free of unwanted cyano bacteria. For best results, turn off UV sterilizer or Ozonizer and Protein Skimmer. Remove Chemi Pure or Carbon Filtration for 24 hours following each treatment. You must add aeration through the use an air stone when using ChemiClean. Use the additional aeration throughout the treatment process. Removes disease causing red cyano bacteria (red slime) from live coral, Removes red slime, black, blue green and bubble producing algae, Oxidizes trapped organic sludge and sediment, Clarifies aquarium water to crystal clear, Promotes ideal enzyme balance, Contains no phosphates, algaecides or erythromycin succinate, Safe for reef tanks, all invertebrates, desirable macro algaes, nitrifying bacteria and fish, Treats up to 300 Gallons.