Get those suction cups outta there

[gdm42001]

Treesmoker:
Zoo Med MagClip® Magnetic Suction Cups<br> <a href="http://www.marinedepot.com/ps_ViewItem.aspx?idproduct=MZ4111">http://www.marinedepot.com/ps_ViewItem.aspx?idproduct=MZ4111</a><BR>

 

[NeonFish]

they are very stong magnets. I used one to hold a thermometer to prevent the sea urchins from moving it around the tank. I used the thermometer for acclimation and then later put it back, but I slipped and the thermometer slammed against the inside of the tank and cracked to pieces.