Related Clues:

• Change (and the objects players try to find each year in the 39-Across)
• Fountain contents, often
• Experience mutation
• Put on a clean shirt, e.g.
• Meter feeder's need
• Loose coins
• Make or become different
• Alteration
• Mutate or transform
• Metal money
• Alter the money returned
• It's as good as a rest, they say
• Is it as good as a rest?
• Money returned as balance after purchase
• Alter with loose coins