Ian S
Thinks s/he gets paid by the post
My first Water Pik was back in the 1980's when they had a separate reservoir with a long tube connecting it to the hand held part. Then I got the rechargeable type with the reservoir built-in. Recently, after not using it for years, I decided to get one of the clones on Amazon after my dental hygienist said I should be using one as well as flossing. The first clone I bought was OK but there were far too many intensity options and it was too easy to change the intensity while you were using it. I bought a second one which has fewer settings and seems less prone to changing the intensity inadvertently. We'll see how it works out but the stuff it dislodges is impressive. Recently, I also replaced my old Oral B electric toothbrush with its old NiMH battery. The new lithium powered one is great and gives a better brushing experience.