Unscrew to add water and reservoir good size. Highly recommend
Old Flosser (not this one) did NOT have option to unscrew base - Latch only models may not be easy to open. On my old flosser latch broke within a week causing leaks! Highly recommend this model because you CAN unscrew base to add water, has large reservoir so does not run out of water as fast, comes with lots of tips
Rating: 5 stars