One of the main tasks of every aquarium enthusiast is to maintain the correct water parameters. Among the most important values that aquarists need to pay attention to are the water's pH and hardness. Both factors can negatively impact the condition and development of both aquatic fauna and flora.

Such a device replaces the need for pH tests and allows for instant reaction. pH controller for aquariums is recommended for professional and larger tanks; its presence guarantees the maintenance of proper water parameters without the need for testing. Some devices from reputable aquarium equipment manufacturers can also monitor temperature and measure CO2 levels.