Believe it or not, I never saw any eggs! They was never attached to the sides of the tank if there were eggs. They are greatly needed because for some reason new snails, nessarius and turbos don't seem to acclimate to my water, I have even tried taking all day to acclimate them. So needless to say I was greatly surprised to see them! I have had a few single turbos from time to time, but this is a first for me. And believe it or not, I am way behind on my water changes, due to the kids out of school and my refugium breaking Memorial Day weekend. I just got the parts and the refugium up and running again from scratch about two weeks ago because I lost my chaeto and copepods because I didn't have any place to store anything.