<div dir="ltr">thanks for the info - i feel so much better!<div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Oct 24, 2015 at 12:38 AM, <span dir="ltr"><<a href="mailto:mskala@ansuz.sooke.bc.ca" target="_blank">mskala@ansuz.sooke.bc.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Fri, 23 Oct 2015, Jason Proctor wrote:<br>
> dumping the organic flux down the sink isn't particularly enviro friendly,<br>
> for sure. however, i do find the populated boards very tidy and clean, and<br>
<br>
</span>It's lemon juice. Citric acid. The only environmental issue there is the<br>
metal that may have been dissolved in the flux, and given the number of<br>
people here who even give serious consideration to using lead for new<br>
construction, I wouldn't worry too much about traces of tin, copper, and<br>
silver from modern water-wash solder.<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Matthew Skala<br>
<a href="mailto:mskala@ansuz.sooke.bc.ca">mskala@ansuz.sooke.bc.ca</a> People before principles.<br>
<a href="http://ansuz.sooke.bc.ca/" rel="noreferrer" target="_blank">http://ansuz.sooke.bc.ca/</a><br>
</font></span></blockquote></div><br></div>