Just hold off for a week or so, then they'll eat it !
Perhaps that's the go for the bloated Betta, a reduction in feed. Fewer and smaller lumps to pass through his digestive system.
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Angels, Black Mollies, Bristlenose', Clown Loaches, Cory Aeneus, Gibby, Guppies, Hockey-stick Tetras, Keyhole Cichlids, Otocinclus.