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<p>[QUOTE=&quot;-jeffB, post: 1364690, member: 27832&quot;]Are you sure about that last? When I was looking into this, what I found was that cosmetic suppliers sold &quot;30 <i>volume</i>&quot; peroxide, which works out to less than 10%. I found something like 27% at <i>one</i> pool supply store, which was more than enough for my needs, but I never did find a local source for anything 30% or greater.</p><p><br /></p><p>For those who haven&#039;t been following along at home, there are some entertaining chemical demonstrations you can do with concentrated hydrogen peroxide (look up &quot;elephant toothpaste&quot;), and you can make an extremely powerful cleaning agent with it (&quot;pirhana acid&quot;). Unfortunately, you can also make a sensitive and powerful explosive, and so looking for it gets you labeled as a terrorist now. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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