Date: Tue, 19 Jan 1999 17:07:02 -0800 (PST)
Message-Id: <l03130301b2c4c6a59305@[4.16.34.197]>
To: pinhole@exploratorium.edu
From: Slide Ranch <slideranch@igc.org>
Subject: Snails and copper
Why is it that snails (and to a lesser degree slugs) will not crawl over
copper strips around gardens? I have heard -- but not substantiated -- that
the copper needs to be unoxidized copper. What is it about copper that
prevents mollusks from crawling over it? Is it an electrochemical reaction
with the copper? A chemical reaction? Something physical?
- Geoff Ruth