I use a regular hammerhead currently. It undoubtedly doesn't work as well as it would on a flat surface but the curvature isn't so tight that it prevents it from doing the trick.
is your tank acrylic or is it glass?? mine is glass so im not too worried about scratching it
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90 gal cylinder tank with 10 gal sump... work in progress
11-08-2008, 05:35 AM
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