On Mon, 16 Feb 2009 19:16:46 UTC, Jim wrote:

(Steve Firth) wrote:
chris French wrote:
Buying some citric acid powder from a chemist, or hardware shop is
probably cheapest

Under the NuLabr rule of terror, asking for citric acid sees one branded
as a drug dealer.

You may be able to get it in bulk from a homebrew supplier or commercial
coffee supplier.

I get ours from the local vegetarian food shop - strangely named "Veggie
Perrin's"!
--
The information contained in this post is copyright the
poster, and specifically may not be published in, or used by
http://www.diybanter.com