Posted: Fri Apr 14, 2006 4:45 pm
They also sell caps that go over filter tubes for exactly that purpose.
We have them at True Value...but if you don't have one in your town maybe you should go looking?
If I had to guess I'd say this is probably harmful to your turtles...
Bobbi-RES 3.5 inches
Squirt-RES 2.5 inches
Cubbie- Cat