Need More Snails, But What Kind?

[mr_alberta]

I find that the Astrea snails are a lot tougher than the Margarita snails in that they can't die.

I ordered a cleaning crew not too long ago (a few months maybe) and all of my Margaritas have died off whereas none of my Astreas have.

The only drawback to Astrea snails is that if they fall over and you don't flip them back (or they can't flip themselves) they're gonners.