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  • Railison@aussie.zone
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    5 months ago

    Caked on antiperspirant armpit stains that resist all attempts to come out in the wash can be dislodged with something acidic.

    You might try soaking in undiluted vinegar over a couple of days.

    But I’m impatient so I use a small amount of pool acid directly on the damp stains, enough to re-wet them. After a few minutes the stains turn into a mushy paste that you can get out with a brush and in the wash.

    ⚠️ Hydrochloric acid is powerful stuff, don’t touch it if you don’t know how to handle it safely.