If you don't have distilled water at your disposal for your CPAP humidifier, it's okay to use tap water for one night. However, make sure the water chamber and hose are clean for each use. Distilled water is your safest option for your CPAP machine, so avoid making a habit out of using tap water.
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.