Fish of all sorts expect a pH measurement of acid and\/or base water. The common pH level is typically 6.5 and no higher than 7.5. Water types include saltwater, alkalinity, hardness, soft water, and so on. Alkalinity water is measured buffers, which its capacity is based on test results conducted from water. Alkalinity is a choice for many fish, since it will regulate pH balance, thus preventing the balance to drop. With this in mind, you can add buffers to regulate alkalinity as well.\nHard water is based on the amount of minerals, which is often unregulated. The reason is that soft water lacks the ability to produce dissolved minerals, while water softened by machines does not supply a variety of minerals. For this purpose, most aquarium and fish owners will purchase water treatments, while using ordinary tap water to fill the tank. Water treatments include NH3, NO2, and NO3. The symbols represent chemical based formulas, which define ammonia. For instance, the second symbol represents nitrites, while the third symbol represents nitrates. The first symbol represents ammonia. If you are a starter, you should use test kits to test the waters prior to putting your fish into the tank. The kits provide you tools that will show results of ammonia, nitrites, nitrates, chlorine, and related chemical buildup. Keep in mind that fish naturally produce ammonia via waste, which turns to nitrites. Testing should be conducted during tank cycle. Since, tap water is laced with chlorine and chloramines you want to have water treatments on hand. Fish, unlike people cannot live as long while drinking chlorine\/chloramines based waters. Water supplies often include hypochlorite, which is used to disinfect polluted waters and to provide fresh drinking water for humans only. Myths: Some people believe that salt should be added to all fish tanks. Facts: salt is not beneficial in all instances, and nor is it necessary to add to all fish tanks. However, some tropical fish find it useful to relieve stress. Back to water treatmentsThe types of water treatments include the decholorinator-based solutions. Decholorinator are ideal to purify water, cleansing it of chloramines, yet the treatment will discharge ammonias. Therefore, before you purchase water treatments, the first thing you will need to do is know what is in your tap water. You can call your locate water company to find out what the water contains. Let the company know that you are housing aquarium fish, so that these people will take interest in your needs. Otherwise, the company may take offense, wondering who you are.\nTap water likely will include chloramines, copper, chlorine, metal, phosphates, and sometimes will include TCE. (Trichloroethylene)\nTap water adviceWhen filling your tank with Water you can let the water run from the tap five minutes to purify the water, as well you can let the water stand overnight to remove additional chemicals. If your tap water only includes chlorinate you can use water treatments, such as the sodium based thiosulphate dechlorinators. However, if you have additional chemicals in your water you want to speak with your local pet store operators to find out which additives are best suited for removing all types of chemicals. It is wise to ask about the best water treatments as well for the local pet store. Additional tips In addition to your aquarium and fish, you will need hose, bucket, nets, etc to clean your tank. You can take up inexpensive products online, or at local nature-based stores. In addition, to learn more about water treatments visit the Internet to search through a variety of products.