SafeStart - Patented live bacteria allow immediate addition of fish in newly set-up freshwater aquariums, Now available through distribution!, SafeStart accelerates the establishment of the bio-filter in newly set-up aquariums, The live bacteria start working immediately to provide a safe and healthy environment for your fish without the long wait, SafeStart can also be used after a water change, when adding new fish or after medicating, Live nitrifying bacteria start working immediately to reduce dangerous ammonia and nitrite, SafeStart prevents new tank syndrome for healthy fish, The patented mix of Nitrosomonas, Nitrosospira and Nitrospira is proven to work, Shelf stable formula, 12 months, requires no refrigeration (acceptable temperature, 35º to 90ºF) for added convenience, SKU: RYLHC5917