Dr.wellness hydrogen inhlation

After receive Dr.wellness hydrogen inhalation machine（YL-3000）， what should you do ?
How long can the water of a Dr.wellness 3000ml hydrogen-oxygen machine last before it needs to be replaced?
How to choose hydrogen machines with different flow rates?
Client questions about the 3000ml hydrogen oxygen inhaler
What is the purpose of hydrogen inhaler eye goggle and earplugs? How to use?
What is the function of the hydrogen dissolved rod? How to use it?
What are the health benefits of hydrogen water?
hydrogen oxygen gas inhalation machine flow rate test video
how much ppm hydrogen does it created in water?
How much water does a Dr.wellness 3000ml hydrogen-oxygen machine need to add? How much water does it consume in one hour? How often do you change the water?
What is the function of the Dr.wellness 3000ml humidification cup, how to use it, and how often to change the water?
After receive Dr.wellness hydrogen inhalation machine (900ml or 1500ml) ， what should you do ?