
Observation
The stains on my shirt remain even after washing with detergent, which didn’t clean them very well.
Question
Which detergents can get the stains out the best?
Hypothesis
I thought “All,” one of the detergents, would work best because it was featured on a video highlighting the top cleanest detergents.
Materials
- 3 white shirts
- 3 pods (1 Tide, 1 All, and 1 Great Value)
- 3 Tablespoons of grease [1 tablespoon oil /grease for each shirt)
- ¾ cup of wine (¼ cup of red wine for each shirt
- one ink pen
Procedure
First, we researched the three toughest stains to get out of clothes, which were: grease, red wine, ink, and blood. For legal reasons we only used three out of the four because we can’t legally obtain blood. Next, we used three white T-shirts to test the red wine, ink, and grease. Then we used 3 pod detergents, Tide, All, and Great Value.
Results
| Detergent | Grease | Red Wine | Ink |
| Tide | ü | X | X |
| All | ü | X | X |
| Great Value | ü | X | X |
All removed the grease but failed to remove the other stains.
Great Value cleaned the grease and some red wine, but not the ink.
Tide removed grease; the red wine faded slightly, but the ink stain remained.
Conclusion
In conclusion, Tide removed the most stains. Great Value was second to remove the stains, and All was last.
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