Resident Aquarium Nerd
Join Date: Apr 2004
Location: Murfreesboro, TN
Trumpet snails can indeed survive and breed in brackish conditions. I'm not sure how well they'd take rapid changes in salinity but they definitely have the capability to tolerate even low-end saltwater conditions.
In all honesty, though, they shouldn't take over if you keep the substrate vacuumed and free of debris, don't over-feed, etc. They can't keep breeding if there's no food for them to eat! Most tanks that get over-run aren't getting enough water changes and/or have uneaten food rotting.
(I've never seen the big deal with snail populations, either, trumpet snails don't cause any harm--they don't eat plants or anything)
"We weep for a bird's cry, but not for a fish's blood. Blessed are those with a voice."
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