You could try a pool supply store for Muriatic acid, or just buy Hydrochloric acid from a chemical supplier, like BOC.<div><br></div><div>Mitre 10 Mega also sell it as Spirits of Salts(another historic name for it) for $15/litre:</div>
<div><a href="http://www.mitre10mega.co.nz/shop/paint_decorating/paint_tools/andrew_spirits_of_salts_2_litre_262152/">http://www.mitre10mega.co.nz/shop/paint_decorating/paint_tools/andrew_spirits_of_salts_2_litre_262152/</a></div>
<div><br></div><div>The Mitre 10 website is down at the moment, so here's a cached version, thanks to Google:</div><div><a href="http://webcache.googleusercontent.com/search?q=cache:ToApY-3KTCYJ:www.mitre10mega.co.nz/shop/paint_decorating/paint_tools/andrew_spirits_of_salts_2_litre_262152/+mitre+10+spirits+of+salts&cd=4&hl=en&ct=clnk&gl=nz&source=www.google.co.nz">http://webcache.googleusercontent.com/search?q=cache:ToApY-3KTCYJ:www.mitre10mega.co.nz/shop/paint_decorating/paint_tools/andrew_spirits_of_salts_2_litre_262152/+mitre+10+spirits+of+salts&cd=4&hl=en&ct=clnk&gl=nz&source=www.google.co.nz</a></div>
<div><br></div><div><a href="http://www.mitre10mega.co.nz/shop/paint_decorating/paint_tools/andrew_spirits_of_salts_2_litre_262152/"></a>Simon<br><br><div class="gmail_quote">On Wed, Jun 1, 2011 at 1:05 AM, follower <span dir="ltr"><<a href="mailto:follower@rancidbacon.com">follower@rancidbacon.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="im">On 1 June 2011 01:01, Andrew Errington <<a href="mailto:a.errington@lancaster.ac.uk">a.errington@lancaster.ac.uk</a>> wrote:<br>
> Hydrochloric Acid (maybe can found as Muriatic Acid for cleaning swimming<br>
> pools)<br>
</div>As a matter of interest, where did you find that stocked this? A<br>
couple of years ago I went looking for it in hardware stores but<br>
didn't find any.<br>
<br>
--Philip;<br>
<div><div></div><div class="h5"><br>
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