bubble bath
A bath with soap or bath salts that produces a layer of bubbles on the water surface.
Children love bubble baths.
A bath with jets that circulate water and create bubbles; often used for relaxation or hydrotherapy.
The hotel room had a jacuzzi.
Compound of 泡 (awa, 'bubble') + 風呂 (furo, 'bath'). The reading あわぶろ is a straightforward combination.