Smash it into a thousand pieces, and then reglue with better technique. It may not break at the location of the original repair, but the rest of the repairs will distract the user from it's poorly glued self. As a bonus, you gain wisdom from patience.
Confuscious
October 2009
I can answer this question...
how can I unglue something ceramic glued together badly?
howtomendit.com for free repair help, information and advice.
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