I found Ms Tan!!!
I bumped into Ms Tan during Open House and took the opportunity to consult her about my experiment. I asked her if it was a feasible experiment, if it was too simple or overly clichéd. She said it was okay, but I was still unsure if it would be a good experiment, as it had 2 changed variables instead of the conventional 1. She didn't exactly answer my question, but she asked me how i would measure a change in the stain after washing. Good thing I had it sorted, so I told her I would assess the effectiveness by quantifying changes in the size (quadrant) and colour (colour chart) of the stain. She seemed satisfied and suggested that instead of 4 detergent types, I could use an environmentally-friendly method of cleaning.
Why vinegar?
Vinegar is eco-friendly! And it's said to have magical cleaning properties too! (See all the crazy research I did?) Since I am a MythBuster, I decided to pit laundry detergent against vinegar in the ultimate cleaning test!
To be continued......
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