does not always start and I have to take the bowl off and put it on again and then turn it on again.
Response from waterpik.comBy Waterpik, Product Support, September 4, 2015
Thank you for your feedback. If you are still having an issue with your Ultra Water Flosser please call our team of Product Support specialists at 800-525-2774 for assistance and warranty information.
This is my 2nd unit. I had the first for over 3 years and my dental hygienist is so happy with my periodontal improvement! I love blasting the gunk out!