Jun 30, 2016 #1 jamie callard Verified Sponsor Active Member View Badges Gold Sponsor Joined Feb 14, 2016 Messages 379 Reaction score 170 Rating - 0% 0 0 0 Is it normal for them to be on the glass.
Jun 30, 2016 #2 ReeferMaddness843 5000 Club Member View Badges Reef Tank 365 My Tank Thread Joined Apr 24, 2016 Messages 5,542 Reaction score 7,485 Location Charleston SC Rating - 0% 0 0 0 Yup. They can be in sand, on rockwork, on glass. Pretty much anywhere. No bad signs there.