When water overflows from the vent 2. Stop watering and inject nitrogen into the storage tank from the air vent.
Repeat the above operation three times or more, and the replacement of the storage tank is complete. When replaced by carbon dioxide, the gas is sucked in through the liquid inlet.
Before the equipment goes into service or is put back into service after an extended outage, maintenance or relocation. You need to replace the air in the tank.
