Do you have to keep fishing on the square when it says not even a nibble or do you just move on when it says that
Well, first off, you have to make sure it's the right spot for the Feebas to be. Then, try a few times more, and if nothing happens, then move on.
Hope this helps =)
Try once or twice more just in case you where un-lucky.
This way you can be sure.
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