There are several factors involved in proper water quality for a healthy aquarium. This section will go over a few of these factors. In the left column you have your choice on what type of aquarium you are interested knowing more about. On the following pages there will be references to test kits that can be bought either over the internet or from your local pet store. I buy most of my equipment from thatpetplace although most pet stores will carry the items that will be mentioned.