Quote:
Originally Posted by Lampshade
I've used gorilla glue before in my tank, it's a polyurethane so technically it should be inert once cured. Only issue is that it's only a mechanical bond, so doesn't do to well on smooth surfaces. I just used a locktite on a motor impeller while i wait for the replacment part from tunze. The magnet slipped off the ceramic holding the blades. So far it's worked great, and my fish are still alive!. might not need that replacment part after all...
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The glue I use is Gorilla Superglue, it's not a polyurethane at all but a Cyanoacrylate adhesive, no different that Loctite. Here is the MSDS link
http://www.gorillaglue.com/LinkClick...XI%3d&tabid=95. It has a viscosity very close to the gel Loctite and you get a lot more for the money.