At Clarity Hyperbarics, we are only open for periods 4x per week and we often ask our people to come all four times. If we have been open 7 days per week, I'd personally advise 7x a week. The cumulative Develop up of oxygen is critical on the good results https://oxygenchambersforcancertr29405.blogunok.com/36174342/a-review-of-how-much-is-a-hyperbaric-oxygen-chamber-cost