I've really enjoyed my water flosser, my only complaint has been how loud it is. Also, if you use a strong mouthwash in the reservoir there is the possibility i

I've really enjoyed my water flosser, my only complaint has been how loud it is. Also, if you use a strong mouthwash in the reservoir there is the possibility it will etch and eat into the reservoir tank. I typically try to flush mine out with fresh water after each use.