Using string floss was starting to make my gums bleed, so decided to purchase this water flosser and after 3 days i can say it doe's an amazing job removing food/plac build up around the teeth, with the 3 settings normal,soft & pulce it cleans and gets to the areas your toothbrush can't with great results and leaving a fresh clean mouth..1/2 mins with 200ml water is ideal for me.its lightweight easy to recharge and comes with replacement jets...