ATM Blue Shark (Formerly Colony Marine Rapid Cycle 25 gal Tank Cycle 8 oz

• CYCLES: The one that works, effectively imports actual true nitrifying bacteria
• AUTHENTIC: Other products don't contain the right species of bacteria, Colony Freshwater does!
• STRAINS: Nitrococcus & Nitrosococcus for primary ammonia and nitrite consumption in the marine environment
• INSTANT: Add fish same day, not weeks later
• PROVEN: Used and approved by commercial aquariums

Product Description Colony True Nitrifying bacteria is the industry standard in aquarium cycling, used by public aquariums around the world such as Sea Life Sanctuaries to cycle aquatic systems in days instead of weeks. Directions Add product to aquarium, add fish same day, wait for bacteria to establish bio-filtration