lol, gorilla glue is porous as hell man, im not surprised it died! I dont think its that waterproof either. Probably seized the impeller, and the coils overheated, as was said.
The glue prolly gummed up the works, slowed the impeller, and boosted the amperage draw. The lack of external cooling spelt it's demise, though I'm not an EE or ME.
That's my theory anyway....not like I've fed glue into my impeller (mine runs unmodded, in a reservior, long time joe).
I would put it in a res though, but that's just me.
Gorilla glue is a polyurethane glue and is definitely not the glue to use for this application. Yes, it’s waterproof. However, Gorilla glue tries to expand as it cures and parts must be clamped together. Cured Gorilla glue that has expanded is like a hardened foam, like the kind used for insulation or as packing material. As someone said, in this condition it is porous, and it’s not very strong. It chips away easily.
The impeller mod is definitely a job for epoxy. Better yet, buy a quality pump instead.
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