Water for assisting the purification of water for feeding ornamental fishes or fishes and shellfishes

摘要

PROBLEM TO BE SOLVED: To shorten the period between the occurrence of system abnormality and its restoration while reducing a useless economical burden. SOLUTION: When system abnormality is detected, the system can automatically be reset, the system can also automatically be restarted and stopped halfway in the state before complete start. A system abnormality alarm image can be displayed during the halfway stop before the complete start, and abnormality dissolution information can be inputted by referring to the system abnormality alarm image. When the system abnormality is not detected any more after inputting the abnormality dissolution information, the halfway stop is released and the system restart can be continued up to system complete start.