Primary Care Provider. A physician (M.D. â Medical Doctor or D.O. â Doctor of Osteopathic Medicine), nurse practitioner, clinical nurse specialist or physician assistant, as allowed under state law, who provides, coordinates or helps a patient access a range of health care services.
It takes about 5 minutes to ozonate water, 30 minutes for oil and from 7 to 20 minutes to ozonate food. Read more about this here.
A gas water heater will recover in half the time of an electric unit. A 40-gallon gas water heater can recover in about an hour. Recovery for a 40-gallon electric water heater takes about two hours.