i guess youve chosen the fishless, thats good to hear. With established gravel and bacteria in a bottle, it will probably take 2-3 weeks if not lessKathy60 said:Ok, I read the article on cycling, I understand now why a friend at work told me to use some of the gravel from my established 5 gal tank. Sounds like it might be a few weeks longer than I had thought before we add any fish.