mrcrab
In Memoriam
<a href=showthread.php?s=&postid=11403857#post11403857 target=_blank>Originally posted</a> by melev
Match the magnet to the thickness of your tank. If you over do it, you can't move it. Plus it will scratch the heck out of your tank because of the grip it has, plus mere grains of sand.
Thanks Mark, so the tigershark should do it.
The algae free magnet are good? Anything better?