I have had several water flossers over the years and Waterpik has worked very well. Waterpik has also held up longer then the other flossers I have purchased. It has never been an issue to me but it is loud when you use it.
IDK what I would do without my Waterpik. It was a lifesaver when I had braces and is still a lifesaver to this day. Even after I've flossed, the Waterpik will get all the food I thought I'd already flossed out (yes I do both every night). Always get compliments on my teeth from my dentist and hygienist!
My mother thought I was crazy when I said I wanted a Waterpik for my birthday a few years ago. I have always loved flossing, there is something therapeutic about it for me. You know you over do it, when the dentist tells you to stop the frequency...OR get a Waterpik! They are less harmful to your gums and remove so much more than floss does!