Wear gloves and eye protection! Also, be very careful when dissolving it: add sodium hydroxide to water a little at a time, not the other way around: pouring water onto dry NaOH causes a violent reaction.
@threedaymonk started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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Wear gloves and eye protection! Also, be very careful when dissolving it: add sodium hydroxide to water a little at a time, not the other way around: pouring water onto dry NaOH causes a violent reaction.