After you have successfully set-up your saltwater reef aquarium, you will need to monitor the tank water chemical parameters such as the pH, alkalinity, ammonia, nitrite and salinity. Constant checking is required to ensure that the parameters stay within a certain tolerances and if not, proper action can be taken quickly to bring it back to the desired range before causing any harm to the fishes, corals or anemones. It is also important to keep the variations in the water parameters to as small as possible. Stability in the water condition and parameters is important to prevent stressing the fishes, corals and anemones. For more information about saltwater reef aquarium water and chemical parameters, click on the link.