My catfish need wood in their diet, but many of them are very young and I was afraid they would break off a piece that was too sharp. I was also afraid that other fish might trip over it and pierce it - I should have thought better of that. My fault so I keep it. Maybe break them up into small pieces and then the larger pieces will be safe and soft enough for everyone. This takes about 2 hours, otherwise they won't drown. In the end it will probably be fine
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