Historical clue formulations

• Seasoning from the ocean — 2026-05-17
• Natural seasoning — 2026-03-10
• Seasoning mined from brine — 2025-09-01
• Fine crystals used in food preparation — 2021-11-07
• Ingredient in some chips — 2019-05-03
• Natural seasoning — 2019-02-02
• Natural seasoning — 2018-05-04
• Gourmet food additive — 2017-10-10
• Product of evaporation — 2017-01-15
• Clan from the ocean — 2016-09-15
• It's left when ocean water evaporates — 2015-09-21
• It's relatively lacking in iodine — 2014-10-11
• Natural seasoning — 2013-04-30
• Ingredient in gourmet potato chips — 2012-05-05
• With 8-Across, World records? * Natural seasoning — 2010-02-04
• Natural seasoning — 2009-08-18
• Condiment in gourmet cooking — 2007-04-27
• Product of dehydration — 2005-07-06
• Evaporation product — 2005-04-02
• Chlorine source — 2002-11-09
• Product of evaporation — 2002-06-14
• Aromatherapy product — 1999-04-18