Mar 20, 2016 #1 Cathy Theriault New Member View Badges Joined Mar 20, 2016 Messages 10 Reaction score 1 Rating - 0% 0 0 0 a tiny round disc, clear with a green tint, sucks itself in and expands to move. Tried to get a ptcture, was not successful. Anyone know what it is?
a tiny round disc, clear with a green tint, sucks itself in and expands to move. Tried to get a ptcture, was not successful. Anyone know what it is?
Mar 20, 2016 #2 OP OP Cathy Theriault New Member View Badges Joined Mar 20, 2016 Messages 10 Reaction score 1 Rating - 0% 0 0 0 It is about a 16th of an inch
Mar 20, 2016 #3 OP OP Cathy Theriault New Member View Badges Joined Mar 20, 2016 Messages 10 Reaction score 1 Rating - 0% 0 0 0 My tank is 50 gals with a refugium