Dirty

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The Best Ways to Clean Dirty Grout

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and relationships beat. She spent most of her pre-Lifehacker career covering media and politics for outlets like Us Weekly, CNN, The Daily Dot, Mashable, Glamour, and InStyle. In recent years, her freelancing has…