|
I know powdered iron sulfate works. It stops the feeding
immediately and kills within 3-6 days. Copper sulfate works too but is much
more deadly to plants and animals. In that case you might as well use
metaldehyde. Now I may get pummeled from all directions on this but here
it is anyway. I noticed that there were no slugs or snails around and in the
pools I’ve been in or near. Chlorine treatment is a possibility using a
1:20 dilution of bleach. I figured for pools that used quaternary ammonium
compounds, Physan might be a good trial. I got a plant with some of those tiny
little snails (bush snails?) from someone and after 3 treatments of dowsing
with Physan at recommended strength, there were no more snails. I can find no
research to back this up other than my own observations. It’s possible my
initial hypothesis was flawed but the results were what I wanted. You might try
it. Gary |
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