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A number of chemicals can be employed as a molluscicide:
- Metal salts such as iron(III) phosphate, aluminium sulfate, and ferric sodium EDTA, relatively non-toxic, also used in organic gardening
- Acetylcholinesterase inhibitors, highly toxic to other animals and humans, acts also as a contact poison
Metal salt-based molluscicides are not toxic to higher animals. However, metaldehyde-based and especially acetylcholinesterase inhibitor-based products are highly toxic, and have resulted in many deaths of pets and humans. Some products contain a bittering agent that reduces but does not eliminate the risk of accidental poisoning. Anticholinergic drugs such as atropine can be used as an antidote for acetylcholinesterase inhibitor poisoning. There is no antidote for metaldehyde, the treatment is symptomatic.
- Overview of potential piscicides and molluscicides for controlling aquatic pest species in New Zealand 
- National Pesticide Information Center (NPIC) Information about pesticide-related topics.
- Get Rid of Slugs and Snails, Not Puppy Tails! Case Profile - National Pesticide Information Center
- Slugs and Snails - National Pesticide Information Center
- Snail bait and dogs
- Snail Bait Poisoning
- in the Garden Safety in the Garden
- Metaldehyde toxicity
- Iron phosphate: The first honestly effective snail & slug bait