On Wed, 25 Oct 2017 19:23:33 Jeff Layman wrote:

Are you in the UK? If so, where did you get your Boardeaux Mixture? Its
use by amateurs in the EU has been banned for a couple of years (see
https://www.rhs.org.uk/advice/profile?PID=820). The only copper
product approved (copper oxychloride) is for use on grapes.

I was in Bricomarché in Falaise last week and Bordeaux Mixture was
readily available on the shelves.

David

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David Rance writing from Caversham, Reading, UK