Possible Clues:

• Healthy drink (2 words)
• Drink from a spring
• Might that be still belonging to me, a trawler at sea?
• Perhaps still, it's a healthy drink found in spring
• Still perhaps, it's a healthy drink in spring
• Still type of lead for soaking the garden
• It¿s still sometimes found bottled-up
• New material broadcast at revue's opening is just the tonic!
• Drink with natural salts
• Still or sparkling?