Product details:

Use the same nitrifying bacteria as the professionals with Acrylic Tank Manufacturing Colony Marine Professional-Grade Nitrifying Bacteria Aerobic autotrophs have a six- to eight-week growth rate, but Colony helps speed up the growth process, rapidly cycle tanks, and repair bio-filtration by introducing millions of authentic aerobic autotrophs all at once. Effective formula neutralizes ammonia and nitrite spikes. For use in marine aquariums when establishing bio-filtration in new aquariums, medicating, adding new fish, or replacing media.