Using the dips mentioned, there will definitely be be a huge affect on your snails as the chemicals are made to remove pests, including inverts.
I'm unable to confirm the validity of the image displayed, but do feel that they're possibly snails.
Did your snails perform any spawning rituals, or did they slip through you?
I'm unable to confirm the validity of the image displayed, but do feel that they're possibly snails.
Did your snails perform any spawning rituals, or did they slip through you?