I just wanted to thank Lady Hobbs for the great article on cycling an aquarium. My wife is buying a 40 gallon tank this weekend and this article helped us a great deal. With all of the information out there it is hard to figure out the correct way to do things. My wife bought me a 29 gallon tank for my birthday and I had no idea how to do anything. I just thought you bought a tank, put fish in it and you're good to go. How wrong I was...