Excessive vibration is 2.0 Hz and the largest resort style pool on. Animation: Vibrations show up in a shallow pool, followed by charging Dinosaur. Liquid Vibrations provides musical hydrotherapy training for carers and special schools staff for the well being of children and adults wth special needs. Try to look for movements and vibrations along the pump base. Animation: Vibrations show up in a shallow pool, followed by charging Dinosaur.