You must have a WELTIP to use these tablets
They are not placed in the water reservoir
WELTAB PRO X tablets are not compatible with Waterpik Whitening flossers
After opening place in your WELTAB bottle along with the silica pack to maintain freshness.
Ingredients: Xylitol, Natural Flavor, Stevia, Quillaja Saponaria Extract, Calcium Stearate, Calcium Phosphate