Possible Clues:

• Place to soak and socialize
• Spot of bubbly?
• Spa fixture
• Place to feel a jet stream?
• Too much poured into centre's large bath
• Excessive to plunge into centre in jacuzzi?
• Large bath as focal point -- too much inside
• Hydrotherapy setting
• Attractive though withdrawn, often bubbly thing?
• Home spa fixture