Snails (Stupid newbie question)

Turbo have a big problem righting themselves if they get knocked over
ontheir backs. Astra a dn cerith and nassarius and also the mexican
margaritta all do good at righting themselves. I quite buying turbos
for just this reason., Its a heck of a note seeing a snail updside
down in an inaccessible place in a tank unable to right
itself.......Astrea do just as good at what snails do as a turbo does
without the inherint problems turbos have.


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I forgot more about ponds and koi than I'll ever know!