Historical clue formulations

• Make fizzy, as a drink — 2026-04-13
• Make bubbly — 2026-01-15
• Make fizzy — 2025-10-28
• Make bubbly — 2024-02-29
• Fill with gas — 2023-07-07
• Produce oxidation in — 2023-01-04
• Make bubbly — 2022-09-11
• Make fizzy — 2021-12-21
• Make sparkling — 2021-05-23
• Make bubbly — 2021-01-13
• Make bubbly — 2020-06-21
• Make fizzy, in a way — 2020-02-04
• Use a rototiller on, say — 2020-01-19
• Whip, as cream — 2019-12-29
• Make bubbly — 2019-10-04
• Infuse with bubbles — 2018-08-27
• Provide with oxygen — 2017-03-23
• Fill with gas — 2016-08-28
• Make less flat — 2016-04-01
• Make bubbly — 2014-08-27
• Infuse with oxygen — 2013-10-28
• Put bubbles in — 2013-08-19
• Fill with gas — 2012-10-17
• Gas up? — 2011-11-17
• Infuse with carbon dioxide — 2010-09-20
• Freshen, in a way — 2010-09-05
• Clear out — 2010-02-13
• Fill up with gas — 2008-04-25
• Fill up with gas — 2007-03-24
• Clear of stale odors, maybe — 2006-10-31
• Make fizzy — 2005-11-01
• Fill with bubbles — 2005-07-20
• Supply with oxygen — 2005-07-05
• Infuse with oxygen — 2005-05-30
• Make sparkling — 2005-02-25
• Make bubbly — 2003-11-19
• Make bubbly, in a way — 2003-06-21
• Cause to sparkle — 2003-03-15
• Make fizzy — 2003-02-22
• Treat with carbon dioxide — 2002-10-29
• Blow bubbles in — 2002-09-26
• Make bubbly — 2002-03-19
• Put fizz in — 2001-10-08
• Make bubbly — 2001-04-24
• Treat with carbon dioxide — 2000-11-28
• Freshen — 2000-10-03
• Freshen — 2000-06-22
• Make bubbly — 2000-06-10
• Freshen — 1999-11-09
• Ventilate — 1999-05-18