I've been using the CPAP machine for about a year and a half. It has become essential for a good night's sleep. I was told I can clean the tubing every other day using distilled vinegar and water (3 cups water to 1 cup distilled vinegar). I just put it in a plastic bucket filled with the vinegar solution, pour the solution through the all plastic hose, and rinse with plain water. I clean the nasal cushion every day. I am religious about cleaning the tubing and it has become part of my morning routine. No big deal. I clean the other head gear about once a week and the distilled water holder about every two weeks. I change the water every other day and let it dry.