Stop throwing away used coffee grounds! Here's the science: 1. Spread cooled grounds on a plate (no filter needed) 2. Place in fridge back corner...
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The original was posted on /r/lifeprotips by /u/AmazingAdvantage7585 on 2025-03-25 03:37:14+00:00.

Stop throwing away used coffee grounds! Here’s the science:

  1. Spread cooled grounds on a plate (no filter needed)
  2. Place in fridge back corner - surface area matters
  3. Replace weekly The nitrogen compounds in grounds neutralize sulfur-based odors 58% better than baking soda (per Journal of Food Science study). Bonus: Compost them afterward for garden nitrogen boost. My fridge went from science experiment to fresh in 48 hours.