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I tried this with copper wire and a 9v battery, but it doesn't seem to be working for some reason; the snails just go straight past it. Does it have to be galvanised?
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I used a rechargeable NiMh battery. I measured it at 8.4v.Maybe snails are less sensitive.
I stripped off the insulation, it was mains electrical wire. Didn't notice any slugs but there were snails that had got past.
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