students cleaning up their university home couldn't believe what they saw when they tackled an old rug that "had never been washed".In a video watched on TikTok 5.7 million times, Anna Carey and her pals heave the old-fashioned rug into a bathtub and cover it with detergent and water.The fusty rug is orange with a green dragon design and after just 10 minutes it has turned the water a dark grey colour."It's already so dirty," she writes.Thirty minutes in and the water looks almost black due to years of dirt polluting the bathwater and the girls decide to leave it for more than an hour to soak.When it's been in the tub for a long time, they drain away all the filthy water and use the shower hose to rinse down the rug.In follow-up videos,.
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