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Making Citric Acid at Home is Easy (EMOTIONAL DAMAGE)

Season 11 Episode 13 | 16m 29s

While it looks easy on paper to make citric acid at home, Chem Thug runs into some pitfalls trying to extract it from some citrus fruit and mold broth. Even though we discovered getting it out of lemons more than 200 years ago, it’s still tricky chemistry to pull off. Watch him struggle with a fermentation broth and battle with citrus fruit, will he be able to extract any citric acid?

Aired: 12/30/25
Extras
Watch • 8:34
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Are there really microplastics in chewing gum? George tries to find out.
Episode: S11 E11 | 15:15
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Is water bending real?
Episode: S11 E10 | 8:46
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Liquid Marbles are the Coolest Scientific Breakthrough I've Made (So Far)
George tries to make a new discovery in a huge field of science... and he might have.
Episode: S11 E9 | 11:15
Watch • 12:00
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Exposing Fake Honey Using Carbon-13
This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys.
Episode: S11 E8 | 12:00
Watch • 20:29
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George Figures Out Static Electricity
Rubbing two balloons together leads George to a shocking discovery.
Episode: S11 E7 | 20:29
Watch • 11:25
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The Performance Enhancing Drug They Can't Ban
Is baking soda a legal, performance enhancing drug?
Episode: S11 E6 | 11:25
Watch • 8:10
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Why Norway's Osmosis Power Plant Failed
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.
Episode: S11 E5 | 8:10
Watch • 13:59
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Hot Water Freezes Either Faster or Slower Than Cold Water
Alex wonders what happens when hot water freezes quicker than room temperature water?
Episode: S11 E4 | 13:59
Watch • 9:56
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Watch • 8:34
Reactions
I Used DNA to Fireproof Fabrics
We test if DNA from strawberries and salmon can really make fabric flame resistant.
Episode: S11 E12 | 8:34
Watch • 15:15
Reactions
Didn't Believe There Were Microplastics in Gum So I Tested My Spit
Are there really microplastics in chewing gum? George tries to find out.
Episode: S11 E11 | 15:15
Watch • 8:46
Reactions
Is Water Magnetic?
Is water bending real?
Episode: S11 E10 | 8:46
Watch • 11:15
Reactions
Liquid Marbles are the Coolest Scientific Breakthrough I've Made (So Far)
George tries to make a new discovery in a huge field of science... and he might have.
Episode: S11 E9 | 11:15
Watch • 12:00
Reactions
Exposing Fake Honey Using Carbon-13
This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys.
Episode: S11 E8 | 12:00
Watch • 20:29
Reactions
George Figures Out Static Electricity
Rubbing two balloons together leads George to a shocking discovery.
Episode: S11 E7 | 20:29
Watch • 11:25
Reactions
The Performance Enhancing Drug They Can't Ban
Is baking soda a legal, performance enhancing drug?
Episode: S11 E6 | 11:25
Watch • 8:10
Reactions
Why Norway's Osmosis Power Plant Failed
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.
Episode: S11 E5 | 8:10
Watch • 13:59
Reactions
Hot Water Freezes Either Faster or Slower Than Cold Water
Alex wonders what happens when hot water freezes quicker than room temperature water?
Episode: S11 E4 | 13:59
Watch • 9:56
Reactions
Why a Carbon Capture Breakthrough Will/Won't Save Us
Could a seemingly magical 300-year-old technology save us from climate change?
Episode: S11 E3 | 9:56